Publications & References

Professor Duncan Bell publications by subject 1972-2024

DISECT – Digital Imaging System for Enhanced Computer
Tomography
:
Smith S, Rae D , Rowland RS, Lapeer R, and Bell GD. Experience with a laptop-based 3-D
DICOM reader at MDT meetings in a DGH. Gut 2004 Suppl III, Vol 53 A79.
Heatley D, Rowland RS , Bell GD, Smith S, Rae D, Hegarty D, Scott IHK. The networking
capabilities of a laptop-based 3D DICOM viewer to facilitate multi-site MDTs. Gut 2005,
54(Supplement 11) A76
Smith BA, Bell GD, Heatley D, Rowland RS and Rowland MK. AORTIC (African Organisation
for Research and Training in Cancer) and a proposed methodology for sharing radiological
images and expertise transcontinentally. International Cancer Imaging Society Sixth Annual
Meeting, Dublin October 16 th -18 th 2006.
Tam M, Bell G D, Williams S and Heylings D. Making cross-sectional imaging an accessible
adjunct for anatomy teaching. Paper presented at the British Association of Clinical Anatomists
Meeting at UEA, Norwich 20 th December, 2006
Tam M, Bell D, Williams S, Heylings D. “Making cross-sectional anatomy an accessible adjunct
for anatomy education”, Clinical Anatomy 2007, 20(4), 465-472
DJT Heatley, RS Rowland, GD Bell, MK Rowland, DL Hegarty, SL Smith, N Dodd, R Calvert,
IHK Scott, D Rae, R Lapeer. A new laptop-based DICOM viewer for in-theatre procedures,
multi-site MDT meetings and networked training. HC2006 Conference March 2006
Smith SL, Fleming P, Girling S, Bell GD, Hegarty DL, Dodd N, Calvert R, Scott IHK. Life
without PACS : further experience with an inexpensive PC-based networked 3-D DICOM
viewer. UKRC conference May 2006; Pages 54-55.

CT, micro-CT, 3-D printing, Insects and the possible effects of 5G on
them:

Al-Harbi J, Hunt V, Charnley K, Heatley D, Bell G D, Corps N.X-ray micro-CT enables high-
resolution 3-D imaging of the internal anatomy of live locusts. Poster presentation at the World
Congress of Entomology, South Africa. July 2008
Tam MD, Laycock S, Bell G D, Chojnowski A3-D printout of a DICOM to aid surgical planning in a
6-year-old patient with a large scapular osteochondroma complicating congenital diaphyseal
achlasia. Radiological Case : 2012 Jan;6(1):31-37
Greko MK, Tong J, Soleimani M, Bell GD, Schafer MO. 2012. Imaging live bee brains using
minimally-invasive Diagnostic Radioentomology 2012 Journal of Insect Science Volume 12,
article 89 Available online: http://www.insectscience.org/12.89
Bell GD, Greko MK, Woolnough L, Corps N, Hudson DM, Mortimore D : 2012 – Visualisation of
the Malpighian tubules of the over wintering LadyBird ( Cocinella septempunctata) using a
micro-CT technique. Psyche Volume 2012, Article ID 348348, 6 pages doi:10.1155/2012/348348
19
Laycock, Bell GD, Mortimore D, Greco MK, Corps N, Finkle I. 2012 . Combining X-ray Micro-CT
technology and 3-D printing for the digital preservation and study of a 19th Century Cantonese
Chess piece with intricate internal structures. ACM Journal on Computing and Cultural
Heritage. 5,4, Article 13 (October 2012), 7 pages. DOI=10.1145/2399180.2399181
http://doi.acm.org/10.1145/2399180.2399181
Hulse M, Isherwood S Scrase C, Laycock S, Bell GD. 3-D CT-aided modelling of treatment
shells for use in Radiotherapy. Presented at the National Cancer Research Institute
(NCRI)Clinical and Translational Radiotherapy Research Working Group (CTRad) Clinical
Trials Workshop Monday 27 th February 2012 Leeds Town Hall, The Headrow, Leeds LS1 3AD
Hulse M, Tam M, Isherwood S Scrase C, Laycock S, Mortimore D, Patman J, Short S, Bell GD.
Production of 3-D generated Radiotherapy Treatment Shells using DICOM CT, MRI and 3-D
surface scanner-acquired STL files: preclinical feasibility studies. Abstract 2012 Presented at
the NCRI National Meeting in November 2012
Tam MD, Laycock SD, Jayne D, Barbar J, Noble B. 2013 3-D printouts of the tracheobronchial tree
generated from CT DICOM files as an aid to planning future interventional management in a
case of extensive tracheobronchial chondromalacia caused by advanced relapsing
polychondritis. Radiological Case. August;7(8)34-43
Laycock S , Hulse M, Scrase C, Tam M, Isherwood S, Mortimore D, Emmens D, Patman J, Short
SC , Bell GD. Towards the production of radiotherapy shells on 3D printers using data derived
from DICOM CT and MRI : preclinical feasibility studies. Journal of Radiotherapy Practice
2014 Page 1-7 Cambridge University doi:10.1017/S1460396914000326
Greco MK, Bell GD, Woolnough L, Laycock SD, Corps C, Mortimore D, Hudson DM. 2014 . 3-D
visualisation, printing and volume determination of the tracheal respiratory system in the adult
Desert Locust ( Schistocerca gregaria). Entomologia Experimentalis et Applicata 2014 152:42-
51
Fisher M, Applegate C, Ryalat M, Laycock S, Hulse M, Emmens D, Bell GD. 2014.Evaluation of 3-
D printed Immobilisation Shells for head and neck IMRT. Open Journal of Radiology. 2014
4:322-328. DOI:10.4236/ojrad.2014.44042
Laycock S, Bell GD, Corps N, Mortimore D, et al Use of a combination of Micro-Computerised
Tomography, CAD and 3-D printing in both the study and manufacture of chessmen with
particular reference to nineteenth century Cantonese ivory pieces with intricate puzzle-ball
bases. XVII International Society for Board Game Studies Association. Hosted at UCS, Ipswich
UK, 20-24 the May 2014 Chapter
Laycock S, Bell GD, Corps N, Mortimore D, et al Use of a combination of Micro-Computerised
Tomography, CAD and 3-D printing in both the study and manufacture of chessmen with
particular reference to nineteenth century Cantonese ivory pieces with intricate puzzle-ball
bases. XVII International Society for Board Game Studies Association. Hosted at UCS, Ipswich
UK, 20-24 the May 2014
Duggan,  E, Mortimore, D, Emmens, D, Taylor, D. Bell, G. D. Astragali: some observations on the
anatomy of different mammalian species and their performance as 4-sided dice when thrown
onto different surfaces in the form of either the original bone or 3-D printed models of them. .
20
XVIII International Board Game Studies Association. Meeting hosted by Swiss Museum of
Games at La Tour-de-Peilz, Switzerland 15-18 th April 2015. Chapter
Laycock SD, Bell GD, Corps N, Mortimore DB, Cox C, May S, Finkel I. 2015. Further experience
using a combination of micro-Computer tomography, CAD and 3-D printing techniques to
repair and/or replace damaged or incomplete 19 th Century Cantonese Chess pieces. ACM
Journal on Computing and Cultural Heritage . 7(4): 1-6. DO1:10.1145/2629682
Duggan,  E, Mortimore, D, Emmens, D, Taylor, D. Bell, G. D. Astragali: some observations on
the anatomy of different mammalian species and their performance as 4-sided dice when
thrown onto different surfaces in the form of either the original bone or 3-D printed models of
them. . XVIII International Board Game Studies Association. Meeting hosted by Swiss Museum
of Games at La Tour-de-Peilz, Switzerland 15-18 th April 2015.
Emmens D, Knights, Mortimore D, Scrase C, Hulse M, Bell GD. 3-D printed bolus in
radiotherapy. 2015. Paper read at UKRO 2015 at the Ricoh Arena, Coventry June 10 th 2015
Mapp JJI, Fisher MF, Attwood RC,Bell GD, Greco MK. Corps N, Songer S, Hunter E. 2016.
Brief Communication. Three dimensional rendering of otolith growth using phase
contrast synchrotron tomography. Journal of Fish Biology. doi:10.1111/jfb.12949,
available online at wileyonlinelibrary.com
Aida Halilagic Rajic, Duncan Bell, Nick Corps, David Mortimore, Silvia Atanasio, Christopher
Cobb, Margarita Pitsiani, Leigh Wilson, Cathy Fernandes, Richard Wingate; Excellent
definition can be obtained between the gray and white matter of the mouse brain using a
modified staining technique and X-ray micro-CT; Micro-CT Annual User Meeting 2017,
Brussells, Belgium, June 12-15, 2017.
Ryalat MH, Emmens D, Hulse M, Bell GD, Al-Rahamnilt Z, Laycock SD and Fisher MH.
Evaluation of Particle Swarm Optimisation for Medical Image Segmentation.
Conference: International Conference on Systems Science November 2017
10.1007/978-3-319-48944-5_6
M. PITSIANI, L. J. WILSON, A. RAJIC, D. BELL, C. FERNANDES, *R. J. WINGATE;
Transient early gestational antithyroid treatment in mice results in behavioral deficits in adult
offspring; Program No. 283.09/B22. 2017 Neuroscience Meeting Planner. Washington, DC:
Society for Neuroscience, 2017. Online.
Arno Thielens, Duncan Bell, David B. Mortimore, Mark K. Greco, Luc Martens & Wout
Joseph. Exposure of Insects to RadioFrequency Electromagnetic Fields from 2 to
120GHz. Scientific Reports (2018) 8:3924
Arno Thielens, Mark K. Greco, Duncan Bell, David B. Mortimore, Leen Verloock, Luc
Martens, and Wout Joseph. Radio-Frequency Electromagnetic Field Exposure of
Insects. Abstract ID34430 BioEm2020, Oxford, May 2020 (Meeting cancelled due to
Coronovirus but published on line https://www.bioem2020.org/abstract-collection Pages
334-339
21
Duncan Bell, Nic Bury, Lewis Woolnough, Nick Corps, David Mortimore, Svetlana Gretton. Use of
micro-computed tomography to study the moult cycle of the freshwater amphipod Gammarus
pulex. Zoology.143 (2020) 125833.
Duncan Bell, Nic Bury, Swetlana Gretton ,David Mortimore and Mark Greco. An X-ray
micro-computer study of the Malpighian tubules of the developing Blue Bottle
fly(Calliphora vomitosia) Diptera: Calliphoridae. Zoology 149 (2021) 149 1259.
Arno Thielens and Samatha and Bell GD.  “Pilot Study of a New Methodology to Study the
Development of the Blue Bottle Fly (Calliphora vomitoria) Under Exposure to Radio-
Frequency Electromagnetic Fields at 5.4 GHz” International J. of Radiation Biology in
press
Bell G D, Broad G R, Corps N,Mortimer D, Gretton S, Bury N. Visualising fat reserves in an
insect: A method using X-ray micro-computerised tomography of the Common Wasp (Vespula
vulgaris). April 2023 Zoology 158(ID):126092 DOI. 10.1016/j.zool.2023.126092
G.D. Bell , N. Corps , D. Mortimer , S. Gretton , N. Bury, G.J. Connett c.The tracheal system of
the Common Wasp (Vespula vulgaris) – A micro-CT study. Journal of Insect Physiology. Vol
149, September 2023, 104547

Our Youtube Channel

Duncan Bell: An Introduction: Link to the BBC article with Sir Mike Richards – https://www.bbc.co.uk/news/articles/cjk3p4…

Documentation of fat content in insects: References to publications from Professor G D Bell and collaborating colleagues concerning X-ray CT, micro-CT, Insects, 3-D printing and possible effects of 5G EMFs on insects: Greco, M K; Bell, M; Spooner-Hart,R, Holford, P (2005) A new technique for monitoring Trigona carbonaria nest contents, brood and activity using X-ray computerised tomography. Journal of Apicultural Research 44: 97–100. Greco, M K; Bell, M; Spooner-Hart, R, Holford, P (2006) X-ray computerized tomography as a new method for monitoring Amegilla holmesi nest structure, nesting behaviour and adult female activity. Entomologia Experimentalis et Applicata 120: 71–76. Greco MK, Spooner-Hart RN, Holford P. (2008).X-ray computerised microtomography (micro-CT) : a new technique for assessing external and internal morphology of bees. Journal of Apicultural Research and Bee World Vol 47(4):286-291. Al-Harbi J, Hunt V, Charnley K, Heatley D, Bell G D, Corps N.X-ray micro-CT enables high-resolution 3-D imaging of the internal anatomy of live locusts. Poster presentation at the World Congress of Entomology, South Africa. July 2008 Greco MK, Hoffmann D, Dollin A, Duncan M, Spooner-Hart R, Neumann P. (2011) The alternative Pharaoh Approach: Stingless bees encapsulate beetle parasites alive. Naturwissenschaften Vol 97(3);319-323. Greco MK, Welz PM, Siegrist M, Ferguson J, Gallman P, Roubik DW. Engel MS. (2011) Describing an ancient bee trapped in amber using Diagnostic Radioentomology. Insectes Sociaux Vol 58(4):487-494. Bell GD, Greco MK, Woolnough L, Corps N, Hudson DM, Mortimore D : 2012 Visualisation of the Malpighian tubules of the over wintering LadyBird ( Cocinella septempunctata) using a micro-CT technique. Psyche Volume 2012, Article ID 348348, 6 pages doi:10.1155/2012/348348 Greco MK, Tong J, Soleimani M, Bell GD, Schafer MO. 2012. Imaging live bee brains using minimally-invasive Diagnostic Radioentomology 2012 Journal of Insect Science Volume 12, article 89 Available online: http://www.insectscience.org/12.89 Greco MK, Bell GD, Woolnough L, Laycock SD, Corps C, Mortimore D, Hudson DM. 2014 . 3-D visualisation, printing and volume determination of the tracheal respiratory system in the adult Desert Locust ( Schistocerca gregaria). Entomologia Experimentalis et Applicata 2014 152:42-51. Aida Halilagic Rajic, Duncan Bell, Nick Corps, David Mortimore, Silvia Atanasio, Christopher Cobb, Margarita Pitsiani, Leigh Wilson, Cathy Fernandes, Richard Wingate; Excellent definition can be obtained between the gray and white matter of the mouse brain using a modified staining technique and X-ray micro-CT; Micro-CT Annual User Meeting 2017, Brussells, Belgium, June 12-15, 2017. M. PITSIANI, L. J. WILSON, A. RAJIC, D. BELL, C. FERNANDES, *R. J. WINGATE; Transient early gestational antithyroid treatment in mice results in behavioural deficits in adult offspring; Program No. 283.09/B22. 2017 Neuroscience Meeting Planner. Washington, DC: Society for Neuroscience, 2017. Online. Duncan Bell, Nic Bury, Lewis Woolnough, Nick Corps, David Mortimore, Svetlana Gretton. Use of micro-computed tomography to study the moult cycle of the freshwater amphipod Gammarus pulex. Zoology.143 (2020) 125833. Duncan Bell, Nic Bury, Swetlana Gretton ,David Mortimore and Mark Greco. An X-ray micro-computer study of the Malpighian tubules of the developing Blue Bottle fly(Calliphora vomitosia) Diptera: Calliphoridae. Zoology 149 (2021) 149 1259. Bell, G. D., Broad, G. R., Corps, N., Mortimer, D., Gretton, S., and Bury, N. (2023) A micro-CT method for visualising and quantifying fat reserves in insects. Zoology G.D. Bell , N. Corps , D. Mortimer , S. Gretton , N. Bury , G.J. Connett .The tracheal system of the Common Wasp (Vespula vulgaris) – A micro-CT study. Journal of Insect Physiology. Vol 149, September 2023, 104547

5G and Insects Final: Link to the ETAIN website – https://www.etainproject.eu/ References to publications from Professor G D Bell and collaborating colleagues concerning X-ray CT, micro-CT, Insects, 3-D printing and possible effects of 5G EMFs on insects: Arno Thielens, Duncan Bell, David B. Mortimore, Mark K. Greco, Luc Martens & Wout Joseph. Exposure of Insects to RadioFrequency Electromagnetic Fields from 2 to 120GHz. Scientific Reports (2018) 8:3924 Arno Thielens, Mark K. Greco, Duncan Bell, David B. Mortimore, Leen Verloock, Luc Martens, and Wout JosephRadio-Frequency Electromagnetic Field Exposure of Insects. Abstract ID34430 BioEm2020, Oxford, May 2020 (Meeting cancelled due to Coronovirus but published on line https://www.bioem2020.org/abstract-collection De Paepe S, De Borre, E, Toribio D, Bell G D, Thielens A. Pilot Study of a New Methodology to Study the Development of the Blue Bottle Fly (Calliphora vomitoria) Under Exposure to Radio-Frequency Electromagnetic Fields at 5.4 GHz”.International J. Of Radiation Biology August 2022 10.1080/09553002.2022.2113838 Numerical Dosimetry of Calliphora Vomitoria Pupae under Radio-Frequency ElectromagneticExposure. De Boose Pieterjan, Oliveira Ribas Felipe, Bell Duncan, Bouga Maria, Fröhlich Jürg, Hatjina Fani, Huss Anke, Stavrinides Menelaos, Thanou Zoi, Tsagkarakis Antonios, Varnava Andri, Zahner Marco, Raman Sujith and Thielens Arno. 73 The International Union of Radio Science (URSI) 4th URSI AT-RASC, Gran Canaria, 19-24 May 2024

STLs and 3D Printing: Robert Charles Bell – https://en.wikipedia.org/wiki/Robert_Charl… References to publications from Professor G D Bell and collaborating colleagues concerning X-ray CT, micro-CT, Insects, 3-D printing and possible effects of 5G EMFs on insects: Laycock, Bell GD, Mortimore D, Greco MK, Corps N, Finkle I. 2012 . Combining X-ray Micro-CT technology and 3-D printing for the digital preservation and study of a 19th Century Cantonese Chess piece with intricate internal structures. ACM Journal on Computing and Cultural Heritage. 5,4, Article 13 (October 2012), 7 pages. DOI=10.1145/2399180.2399181 Greco MK, Bell GD, Woolnough L, Laycock SD, Corps C, Mortimore D, Hudson DM. 2014 . 3-D visualisation, printing and volume determination of the tracheal respiratory system in the adult Desert Locust ( Schistocerca gregaria). Entomologia Experimentalis et Applicata 2014 152:42-51. Laycock S, Bell GD, Corps N, Mortimore D, et al Use of a combination of Micro-Computerised Tomography, CAD and 3-D printing in both the study and manufacture of chessmen with particular reference to nineteenth century Cantonese ivory pieces with intricate puzzle-ball bases. XVII International Society for Board Game Studies Association. Hosted at UCS, Ipswich UK, 20-24 the May 2014 Laycock SD, Bell GD, Corps N, Mortimore DB, Cox C, May S, Finkel I. 2015. Further experience using a combination of micro-Computer tomography, CAD and 3-D printing techniques to repair and/or replace damaged or incomplete 19thCentury Cantonese Chess pieces. ACM Journal on Computing and Cultural Heritage . 7(4): 1-6. DO1:10.1145/2629682 Duggan, E, Mortimore, D, Emmens, D, Taylor, D. Bell, G. D. Astragali: some observations on the anatomy of different mammalian species and their performance as 4-sided dice when thrown onto different surfaces in the form of either the original bone or 3-D printed models of them. XVIII International Board Game Studies Association. Meeting hosted by Swiss Museum of Games at La Tour-de-Peilz, Switzerland 15-18th April 2015.

Disect Explained: References to publications from Professor G D Bell and collaborating colleagues concerning X-ray CT, micro-CT, Insects, 3-D printing and possible effects of 5G EMFs on insects: Tele endoscopy, Magnetic endoscope imaging, the development of DISECT and links via ISDN-2 links to facilitate multisite MDT cancer meetings: Bladen JS,Anderson AP, Bell GD, Rameh B,Evans B,Heatley DJT. Non-radiological imaging of endoscopes. Lancet 1993;341:719-722. Saunders BP,Bladen J,Williams CB, Bell GD. First clinical results with a real-time, electronic imager as a aid to colonoscopy. Gut 1995;36:913-917. Williams CB, Saunders BP, Bell GD, Bladen JS, Gillies DF, Guy CM. Real-time magnetic three-dimensional imaging of flexible endoscopy. In Gastrointestinal Endoscopy Clinics in North America Evolving Issues in Colon Endoscopy ed. Rex DK. Volume 7, Number 3 , July 1997 pages 469-476. Rowland R & Bell GD. Non-radiological technique for three dimensional imaging of intestinal endoscopes. – A new improved method of computerised graphical 3-D representation of the endoscope and patient’s skeleton . Med.Biol.Eng.Comput., 1998;36:285-290. Bell GD, Rowland RS, Heatley DH. Tele-endoscopy need no longer be prohibitively expensive. Current Medical Literature – Gastroenterology. 1998;17(3):63-67. Bell GD, Rowland RS, Heatley DJT. Inexpensive and readily available tele-endoscopy using a modified pentium PC and a single ISDN2 telephone line. Gut 1998 ;42: (Suppl 1) A18. Rowland RS, Bell GD, Dogramadzi S, Allen C. Non-radiological technique for 3-D imaging of endoscopes 2. A new improved method of computerised graphical representation and analysis. Gut 1998;42: (Suppl1) A56. Bell GD, Rowland RS, Dogramadzi S, Allen C. Colonoscopy aided by magnetic 3-D imaging – are there important differences between male and female patients ? Gut 1999;44(Suppl 1) A142 Williams CW and Bell GD. Non-Radiological imaging of colonoscopes. Chapter in Gastrointestinal Endoscopy Ed Sivak D. CD-ROM 1999 Bell GD, Rowland RS. Colonoscopy beyond 2000 – Knowing where it is going. International Journal of Gastroenterology 1999 4.3:19-21. Smith S, Rae D , Rowland RS, Lapeer R, and Bell GD. Experience with a laptop-based 3-D DICOM reader at MDT meetings in a DGH. Gut 2004 Suppl III, Vol 53 A79. Heatley D, Rowland RS , Bell GD, Smith S, Rae D, Hegarty D, Scott IHK. The networking capabilities of a laptop-based 3D DICOM viewer to facilitate multi-site MDTs. Gut 2005, 54(Supplement 11) A76 DJT Heatley, RS Rowland, GD Bell, MK Rowland, DL Hegarty, SL Smith, N Dodd, R Calvert, IHK Scott, D Rae, R Lapeer. A new laptop-based DICOM viewer for in-theatre procedures, multi-site MDT meetings and networked training. HC2006 Conference March 2006 Smith SL, Fleming P, Girling S, Bell GD, Hegarty DL, Dodd N, Calvert R, Scott IHK. Life without PACS : further experience with an inexpensive PC-based networked 3-D DICOM viewer. UKRC conference May 2006; Pages 54-55. Smith BA, Bell GD, Heatley D, Rowland RS and Rowland MK. AORTIC (African Organisation for Research and Training in Cancer) and a proposed methodology for sharing radiological images and expertise transcontinentally. International Cancer Imaging Society Sixth Annual Meeting, Dublin October 16th-18th 2006. Tam M, Bell G D, Williams S and Heylings D. Making cross-sectional imaging an accessible adjunct for anatomy teaching. Paper presented at the British Association of Clinical Anatomists Meeting at UEA, Norwich 20th December, 2006 Tam M, Bell D, Williams S, Heylings D. “Making cross-sectional anatomy an accessible adjunct for anatomy education”, Clinical Anatomy 2007, 20(4), 465-472 (abstract).

Papers relating to Gallstone Dissolution and Biliary lipids:
Dowling RH, Bell GD, White DA. Lithogenic bile in patients with ileal dysfunction. Gut
1972;13:415-420.
Bell GD, Whitney B, Dowling RH. Gallstone dissolution in man using Chenodeoxycholic acid.
Lancet 1972;ii:1213-1216.
Bell GD, White J, Dowling RH. The physical processing of bile samples prior to biliary lipid
analysis – a comparison of the results obtained by a number of different methods. In “Bile Acids
in Human Diseases” Ed Back P and Gerok W. Pages 155-159. F.K. Schattauer Verlag, Stuttgart-
New York 1972.
Bell GD, Nundy S, Dowling RH. Quantitative effects of bile acid feeding on bile composition in
the rhesus monkey and man. In “The liver, Quantitative Aspects of Structure and Function” Ed.
Paumgartner G and Preisig R. Pages 326-336. S. Karger, Basel-Munchen. 1972.
Bell GD. “The dissolution of gallstones”. Chapter in “Topics in Gastroenterology 2 ” Ed.
Truelove SC and Trowell J. Blackwell Scientific Publications. Oxford-London-Edinburgh-
Melbourne. Pages 237-254. 1973.
Chadwick VS,Elias E, Bell GD, Dowling RH. The role of the bile acids in the increased intestinal
absorption of oxalate after ileal resection. In “Advances in Bile Acid Research III” Bile Acid
Meeting June 13-15. 1974. Ed Matern S. Hackenschmidt J, Back P,Gerok W. Pages 435-440.
F.K. Schattauer Verlag, Stuttgart- New York 1974.
Mok HYI, Bell GD, Whitney B, Dowling RH. Stones in the common bile duct: non-operative
management. Proceedings of the Royal Society of Medicine 1974;67:658-660.
Bell GD, Mok HYI,Thwe M, Murphy GM, Henry K, Dowling RH. Liver structure and function
in cholelithiasis: effects of Chenodeoxycholic acid . Gut 1974;15:165-172.
Mok HYI, Bell GD, Dowling RH. Effect of different doses of Chenodeoxycholic acid on bile lipid
composition and the frequency of side effects in patients with gallstones. Lancet 1974 ;ii:253-
257.
Bell GD. The present position concerning gallstone dissolution. Gut 1974;913-929.
Bell GD, Dowling RH, Whitney B, Sutor DH. The value of radiology in predicting gallstone
type when selecting patients for medical treatment. Gut 1975;16:359-364.
Iser JH, Dowling RH, Mok HYI, Bell GD. Chenodeoxycholic acid : factors influencing
response. New Eng J Med 1975;293:378-383.
Bell GD. “The common gallstone- take a closer look”.Modern Medicine Series. January 1977
pages 26-31.
2
Bell GD, Doran J,Fayadh M, Murphy G, Dowling RH. Effect of ioglcamide (Biligram) on bile
flow and biliary lipid secretion in man. Gut 1978;19:300-307.
Bell GD. Drugs used in the management of gallstones. In Side Effects of Drugs Annual 2. Ed
Dukes MNG Excerpta Medica, Amsterdam – Oxford .1978; pages 299-304.
Bell GD. Drugs used in the management of gallstones. In Side Effects of Drugs Annual 3. Ed
Dukes MNG Excerpta Medica, Amsterdam – Oxford .1979; pages 294-297.
Bell GD, Doran J. Gallstone dissolution in man using an essential oil preparation. BMJ
1979;I:24-25.
Doran J, Keighley MRB, Bell GD. Rowachol – A possible treatment for cholesterol gallstones.
Gut 1979;20:312-317.
Bell GD. Chenodeoxycholic acid for gallstones. Presciber’s Journal 1979;19:87-93.
Bell GD. Medical Treatment of Gallstones. Journal of Royal College of Physicians of London
1979;13:47-52.
Bell GD. Gallstones -formation, clinical presentation, radiology and medical treatment. In
Medicine – 3rd Series 1979;18:893-897.
Bell GD. Drugs used in the management of gallstones. In Meyler’s Side Effects of Drugs. Ninth
Edition. Ed Dukes MNG Excerpta Medica, Amsterdam – Oxford .1980; pages 626-631.
Bell GD. Drugs used in the management of gallstones. In Side Effects of Drugs Annual 4. Ed
Dukes MNG Excerpta Medica, Amsterdam – Oxford .1980; pages 258-263.
Jarrett LN, Bell GD, Balfour TW, Knapp D,Rose DH. Intraductal infusion of mono-octanoin:
experience in 24 patients with retained common duct stones. Lancet 1981;I:68-70.
Bell GD. Drugs to dissolve gallstones. Modern Prescribing Section of Mims Magazine April
1980 pages 27-29.
Ellis WR, Bell GD. Treatment of biliary duct stones with a terpene preparation. BMJ
1981;282:610-611.
Ellis WR, Bell GD, Middleton B, White DA. An adjunct to bile acid therapy for gallstone
dissolution – combination of low dose Chenodeoxycholic acid with a terpene mixture. BMJ
1981;282:611-612.
Taylor W, Ellis WR, Bell GD. The effects of cholesterol feeding on gallbladder bile acids of the
rabbit. Evidence that lithocholic acid is a primary bile acid in the rabbit. Biochem. J.
1981;198:639-643.
Bell GD. Drugs used in the management of gallstones. In Side Effects of Drugs Annual 5. Ed
Dukes MNG Excerpta Medica, Amsterdam – Oxford .1981; pages 340-345.
Bell GD. Drugs used in the management of gallstones. In Side Effects of Drugs Annual 6. Ed
Dukes MNG Excerpta Medica, Amsterdam – Oxford .1982; pages 323-325.
Somerville KW,Rose DH, Bell GD, Ellis WR, Knapp D. Gallstone dissolution and recurrence:
are we being misled ? BMJ 1982;284:1292-1297.
Bell GD. Gallstones. In Medicine 1982;15:694-699.
Bell GD. Drugs used in the management of gallstones. In Side Effects of Drugs Annual 7. Ed
Dukes MNG Excerpta Medica, Amsterdam – Oxford .1983; pages 358-365.
3
Bell GD. Cholelitholytic Agents. Pharmac. Ther. 1983;23:79-108.
Bell GD, Clegg RJ, Ellis WR, Middleton B, White DA. The effect of 3,3,5, trimethylcyclohexanol
on hepatic cholesterol synthesis, bile flow and biliary lipid secretion in the rat. Br J Pharmacol
1984;81:183-187.
Ellis WR, Somerville KW, Whitten BH, Bell GD. Pilot study of combination treatment for
gallstones with medium dose Chenodeoxycholic acid and a terpene preparation. BMJ
1984;289:153-156.
Bell GD. Clinical features and medical treatment of gallstones. In Textbook of Gastroenterology.
Ed Bouchier IAD, Allan RN,Hodgson HJF, Keighley MRB. Balliere Tindall 1984 ;1403-1408.
Somerville KW, Ellis WR, Whitten BH,, Balfour TW, Bell GD. Stones in the common bile duct –
Experience with oral cholelitholytic therapy in 31 patients. Postgraduate Med. Journal
1985;61:313-316.
King KO, Bell GD, Short AH,Heathcote BV, Hawkey CJ. In vitro enhancement of cholesterol
dissolution by commonly used drugs. J. Pharm. Pharmacol. 1985;37:610-613.
Bell GD. When to dissolve stones in the gallbladder. Drugs and Therapeutics Bulletin 1985;23
No 17,66-67.

Papers relating to serum lipids, essential oils, monoterpenes and
atherosclerosis
:
Bell GD, Lewis B, Petrie A, Dowling RH. Serum lipids in cholelithiasis : Effects of
Chenodeoxycholic acid therapy. BMJ 1973 ;3:520-522.
Middleton A, Middleton B, White DA, Bell GD. The effects of monocyclic terpenes on hepatic S-
3-hydroxy-3-methyl-glutaryl-Coenzyme A Reductase in vivo. Biochem. Soc. Transactions
1979;55:407-408.
Bell GD, Bradshaw JP,Burgess A,Ellis W,Hatton J. Middleton A,Middleton B,Orchard T,White
DA. Elevation of serum high density lipoprotein cholesterol by Rowachol, a proprietary mixture
of six pure monoterpenes. Atherosclerosis 1980;36:47-54.
White DA, Middleton B,Pawson S,Bradshaw JP,Clegg RJ, Hemming FW, Bell GD. The effects
of cholesterol feeding on cholesterol and dolichol biosynthesis in the rabbit. Archives of
Biochem. et Biophys. 1981;208:30-36.
Will EJ, Bell GD, Taylor M, Richmond CR, Middleton A, Johnson N, Dhillon B. Natural volatile
oils in the management of renal calcium stone disease. In Urolithiasis , clinical and basic
research. Ed Smith LH, Robertson WG, Finlayson B. Plenum Press – New York- London 1981;
pages 293-299.
Clegg RJ,Middleton B, Bell GD, White DA. The mechanism of cyclic monoterpene inhibition of
3-hydroxy-3-methyl-glutaryl-Coenzyme A Reductase in vivo in the rat. J. Biol. Chem.
1982;257:2294-2299.
Tobert JA, Bell GD, Birtwell J, James WR,Kukovetz JS, Pryor A, Buntix A, Holmes IB, Chao
YS, Bolognese JA. Cholesterol lowering effect of Mevinolin, an inhibitor of 3-hydroxy-3-methyl-
glutaryl-Coenzyme A Reductase in healthy volunteers. J. Clin Invest. 1982;69:913-919.
4
Middleton B,Middleton A, White DA, Bell GD. Dietary cyclandelate decreases pre-established
atherosclerosis in the rabbit. Atherosclerosis 1984;171:171-178.
Middleton B,Middleton A,Miciak A,Edwards E,Whitten B, Bell GD,White DA. The effect of
cyclandelate on cholesterol synthesis. Brit. J. Clinical Prac. 1984( Suppl.) 33:43-49.
Somerville KW,Richmond CR, Bell GD. Delayed release peppermint oil capsules(Colpermin)
for the spastic colon syndrome: a pharmacokinetic study. Brit J. Clinical Pharmacology
1984;18:638-640.
White DA, Bell GD, Middleton B. Effects of terpenes and terpene analogues on cholesterol
metabolism. In “Drug effect on HDL cholesterol”. Ed Norman Miller 1985 pages 144-152.
White DA,Thompson SP,Wilson CG, Bell GD. A pharmacokinetic comparison of two delayed-
release peppermint oil preparations, Colpermin and Mintec, for treatment of the irritable bowel
syndrome. Int J. Pharmaceutics 1987,40:151-155.
White DA, Bell GD, Middleton B. Effects of terpenes and terpene analogues on cholesterol
metabolism. In “Pharmacological Control of Hyperlipidaemia” Book, JR Prous Science
Publishers SA. 1990 Pages 21-26.
Mangiapane H, Thompson J, Salter A,Brown S, Bell GD. The inhibition of the oxidation of low
density lipoproteins by (+)- catechin a naturally occurring flavanoid. Biochimica et Biophysica
Acta 1992;43:445-450.
Gregory WL, Bell GD, Mitchison HC, Hildreth A. Recurrent rigors in a patient with Sclerosing
Cholangitis : statistical analysis of the effect of treatment with the terpene mixture Rowachol .
Gut 1999 – ;44(Suppl 1) A27

Papers relating to IV cholangiographic agents:
Whitney B, Bell GD. Single bolus injection or slow infusion for intravenous cholangiography ? –
Measurement of iodipamide(Biligraphin) excretion using a rhesus monkey model. Brit J Radiol.
1972;45:891-895.
Whitney B, Bell GD. Levels of ioglycamate(Biligram) in the bile of the rhesus monkey following
intravenous infusion at different dose-rates. Brit J. Radiol 1976;49:118-122.
Behan M,Mok HYI, Bell GD, Whitney B. The concentration maximum concept in intravenous
cholangiography. Brit J. Radiol 1977;50:551-554.
Doran J,Vennart W, Richmond CR, Bell GD. Iotroxamide studies in man – plasma binding,
renal and biliary excretion studies in jaundiced and anicteric patients. Brit J Clin Pharmac
1978;6:311-317.
Bell GD, McMullin J, Oliver BA, McAlister J. A simple spectrophotometric method for
measuring biliary ioglycamide (Biligram) concentration. Brit J. Radiol 1978;51:17-19.
Bell GD, Fayadh M, Franks J,McMullin J,Kelsey-Fry I. Ioglycamide (Biligram) studies in man.
Relationship between plasma concentration and biliary excretion. Brit J. Radiol 1978;51:111-
115.
Bell GD, Frank J, Fayadh M, Smith PLC, Kelsey-Fry I. . Ioglycamide (Biligram) studies in man.
Radiological opacification of the bile duct. A comparison of a number of different methods. Brit
J. Radiol 1978;51:191-195.
5
Bell GD, McMullin J, Doran J,Oliver J. McAlister J, Monks A, Richens A. Ioglycamide
(Biligram) studies in man – Plasma binding, renal and biliary excretion studies in jaundiced and
anicteric patients. Brit J. Radiol 1978;51:251-256.
Doran J, Bell GD. Iotroxamide – a new cholangiographic agent. Relationship between plasma
concentration and biliary excretion in man. Brit J. Radiol. 1980;53:192-195.
Doran J,Clifford K,Martin P, Knapp D, Bell GD. Drip infusion cholangiography using
Iotroxamide. Double blind comparison with Ioglcamide. Brit. J. Radiol. 1989;53:654-658.
Jarrett LN, Bell GD. Effect of intravenous Glugagon on the biliary secretion of a
cholangiographic agent in man. Clinical Radiology 1980;31:657-661.
Doran J, Jarrett LN, Bell GD. Iotroxamide studies in man – biliary iodine levels following bolus
injection and slow infusion. Comparison with Ioglcamide. Clinical Radiology 1980;31:651-655.
Jarrett LN, Doran J, Clifford K, Keane D, Knapp D, Bell GD. Glucagon infusion
cholangiography. Brit J. Radiol. 1982;55:269-271.

Benzodiazepines, Endoscopy safety and monitoring:
Bell GD, Reeve P, Moshiri M,Morden A,Coady T, Stapleton J, Logan RFA. Intravenous
midazolam : a study of the degree of oxygen desaturation occuring during upper
gastrointestinal endoscopy .British Journal Clin Pharmac 1987;23: 703-708.
Bell GD, Spickett GP,Reeve P,Morden A,Logan RFA. Intravenous midazolam for upper
gastrointestinal endoscopy : a study of 800 consecutive cases relating dose to age and sex of
patient . British Journal Clin Pharmac 1987;23:241-243.
Bell GD, Bown NS, Morden A,Coady T,Logan RFA. Prevention of hypoxaemia during upper
gastrointestinal endoscopy using supplemental oxygen via nasal cannulae. Lancet 1987;I: 1022-
1023.
Bell GD, Morden A,Coady T. Midazolam antagonism. Lancet 1988;ii:114.
Bell GD, Morden A,Coady T,Lee J,Logan RFA. A comparison of diazepam and midazolam as
endoscopy premedication assessing changes in ventilation and oxygen desaturation. British
Journal Clin Pharmac 1988;26:595-600.
Carter A, Bell GD, Coady T,Lee J,Morden A. Monitoring during sedation for endoscopy . BMJ
1989;298:114.
Carter A, Bell GD, Coady T,Lee J,Morden A. Speed of reversal of midazolam -induced
respiratory depression by flumazenil following gastroscopy. Acta Anaesthesiol Scand
1990;34(Suppl 92) :59-64.
Bell GD, Antrobus JHL,Lee J,Coady T,Morden A. Bolus or slow titrated injection of midazolam
prior to OGD? Relative effect on oxygen saturation and prophylactic value of supplemental
oxygen. Aliment Pharmac Therap 1990;4:393-401.
Bell GD, Premedication and IV sedation for upper gastrointestinal endoscopy. Aliment
Pharmac Therap 1990;4:103-122.
Bell GD. Monitoring – the gastroenterologist’s view. Scand J Gastroenterol 1990; 25(Suppl
179):18-23.
6
Bell GD, McCloy RF,Charlton JE,Campbell D,Dent NA,Gear MWL,Logan RFA.
Recommendations for Standards of sedation and patient monitoring during gastrointestinal
endoscopy. Gut 1991;32:823-827.
Bell GD. Making upper gastrointestinal endoscopy safer. Gastroenterology in Practice. May
1991 pages 14-17.
Bell GD, Antrobus JHL,Lee J,Coady T,Morden A, Pattern of breathing during upper
gastrointestinal endoscopy – Implications for administration of supplemental oxygen . Aliment
Pharmac Therap 1991;5:399-404.
Daneshmend TK, Bell GD, Logan RFA. Sedation for upper gastrointestinal endoscopy: results
of a nationwide survey. Gut 1991;32:12-15.
Bell GD, Quine A,Antrobus JHL,Morden A,Burridge SM,Lee J,Coadt T. Upper gastrointestinal
endoscopy : a prospective randomized study comparing the efficacy of continuous supplemental
oxygen given either via the nasal or oral route. Gastrointestinal Endoscopy 1992;38:319-325.
Bell GD. Editorial Who is for supplemental Oxygen ? Gastrointestinal Endoscopy 1992;38: 514-
516.
Bell GD. Monitoring and safety in endoscopy. In Clinical Gastroenterology – Endoscopy Update
Ed Carr-Locke DL, Balliere Tindall, London, Philadephia, Sysney,Tokyo, Toronto. 1992 pages
79-98.
McCloy RF, Bell GD, and others. Guidelines for sedation by Non-Anaesthetists. Report of a
Working Party of the Royal College of Surgeons 1993 Pages 1-18.
Smith M,Bell GD,Fullerton B,Quine S,Morden A. A comparison of winged steel needles and
Teflon cannulas in maintaining intravenous access during gastrointestinal endoscopy.
Gastrointestinal Endoscopy 1993;39:33-36.
Smith M, Bell GD, Quine A, Spencer GM, Morden A, Jones G. Small bolus injections of
intravenous midazolam for upper gastrointestinal endoscopy : a study of 788 consecutive cases.
Br J Clin Pharmac 1993;36:573-578.
Meredith P, Quine A, Burridge SM, Bell GD. Audit of patient’s experience after endoscopy of
the upper alimentary tract. Br J Clin Practice 1993;47:250-253.
Axon ATR, Bell GD, Jones RH, Quine MA, McCloy RF. Guidelines on appropriate indications
for upper GI endoscopy. BMJ 1994;310:853-856.
Quine MA, Bell GD, McCloy RF, Devlin HB, Hopkins A. Appropriate use of upper
gastrointestinal endoscopy – a prospective audit. Gut 1994;35:1209-1214.
Smith M, Bell GD. Editorial Routine oxygen during endoscopy. Endoscopy 1994;21:301-302.
Quine MA, Bell GD, McCloy RF,Charlton JE,Devlin HB,Hopkins A. Prospective audit of upper
gastrointestinal endoscopy in two regions of England: safety, staffing and sedation ,methods.
Gut 1995;36:462-467.
Quine MA, Bell GD, McCloy RF, Mathews HR. Prospective audit of perforation rates following
upper gastrointestinal endoscopy in two regions in England. Brit J Surg 1995;82:530-533.
Gupta AK, Nicholson KEA, Driver IK,Woollard C,Bell G D. Effect of pethidine and esmolol on
the cardiovascular changes occurring during upper gastrointestinal endoscopy. Ambulatory
Surgery 1996 4(2):77-80.
7
Bell GD, Jones JG. Editorial – Routine use of pulse oximetry and supplemental oxygen during
endoscopic procedures under conscious sedation : British Beef or common sense ? Endoscopy
1996;28:718-721.
Nicholson KEA, Gupta AK, Woolard C, Bell GD. The Cardiovascular changes during
upper gastrointestinal endoscopy. Ambulatory Surgery 1997 5(1):9-13.
Bell G D. Patients withdrawing consent during colonoscopy . Hospital Doctor . June 1999
Bell GD, Charlton JE .Editorial – Colonoscopy – Is sedation necessary and if so does IV
Propafol have a role ? Endoscopy 2000; 32:264-267.
Informed Consent prior to gastrointestinal endoscopy. A Report for the BSG Published January
1999 Chairman Bell GD.
Bell GD . Review – Premedication , Preparation, and Surveillance in “State of the Art in
Gastroenterologic Endoscopy – A review of last year’s most significant publications “ Endoscopy
2000; 32(2):92-100.
Academy of Medical Royal Colleges Report of an Intercollegiate Working Party chaired by
Royal College of Anaesthetists :- ‘Implementing and ensuring Safe Sedation Practices for
healthcare procedures in adults’. November 2001. www.aomrc.org.uk
Bell GD . Review – Premedication , Preparation, and Surveillance in “State of the Art in
Gastroenterologic Endoscopy – A review of last year’s most significant publications “ Endoscopy
2002;34:1-11.
Bell GD. A history of sedation for gastrointestinal endoscopy. In ‘ A textbook of sedation for
gastrointestinal nurse associates’ Ed A M Skelly 2003
Bell GD . Review – Premedication , Preparation, and Surveillance in “State of the Art in
Gastroenterologic Endoscopy – A review of last year’s most significant publications “ Endoscopy
2004;36: 23-31.
Tan L, Cox S, Bell GD and Mansfield M. Can we modify automatic speech recognition
technology to reliably and safely monitor respiration in patients sedated with propofol?
Gut 2004 Suppl III, Vol 53 A48.
Tan L, Cox S, Bell GD and Mansfield M. Use of automatic speech recognition technology to
monitor respiration in sedated patients. Speech Recognition Meeting UCL in April 2004.
http://www.phon.ucl.ac.uk/home/mark/ukspeech/meeting2004.html
Bell GD and Quine A . Endoscopy Essentials : Premedication , Preparation, and Surveillance
Endoscopy 2006;38:105-109.
Complications of Endoscopy. Ed J Green. Chapter on Sedation and Cardio-pulmonary
Complications of Endoscopy with Dr Amanda Quine 2006
www.bsg.org.uk/pdf_word_docs/complications.pdf
Gray A and Bell G D. Elderly patients vulnerable to sedative overdose. NPSA Safety Bulletin
December 2006 www.npsa.nhs.uk/site/media/documents/2314_PSBulletinJan07.pdf

Helicobacter pylori and breath tests:
Henry DA, Sharpe G, Chaplain S, Cartwright S, Kitchingman G, Bell GD, Langman MJS. The
14C- Aminopyrine breath test. A comparison of different forms of analysis. Br. J. Clin Pharmac.
1979;8:539-545.
Henry DA, Macdonald IA, Kitchingman G, Bell GD, Langman MJS. Cimetidine and Ranitidine
: Comparison of effects on hepatic drug metabolism. BMJ 1980;281:775-781.
Bell GD,Weil J,Harrison G,Morden A,Jones PH,Gant P,Trowell JE.14C-urea breath test
analysis,a non-invasive test for Campylobacter pylori in the stomach.Lancet 1987;I:1367-1368.
Trowell JE,Yoong AKH,Saul KJ,Gant PW,Bell GD. A simple half-gram stain for demonstrating
Campylobacter pylori in sections. J. Clin Path 1987;40:70.
Weil J,Bell GD,Gant P,Jones PH,Trowell JE,Harrison G.”Eradication” of campylobacter pylori
: are we being misled? Lancet 1988;ii:1245.
Weil J,Bell GD,Harrison G,Trowell J,Gant P,Jones PH.Campylobacter pylori survives high dose
bismuth subcitrate(De-Nol)therapy.Gut 1988;29:A1437-A1438.
Weil J,Bell GD,Gant P,Jones PH,Trowell JE,Harrison G.1989.High success rate for eradication
of campylobacter pylori using a colloidal bismuth subcitrate(CBS)/metronidazole
combination.Gut 1989;30:A733-A734.
Newell DG,Bell GD,Weil J,Jones PH,Gant P,Harrison G.The effects of treatment on circulating
anti-Campylobacter pylori antibodies – A two year follow-up study.Klinische Wochen-schrift
1989;67:48.(Second Meeting of the European Campylobacter pylori Study Group October 12-
14,1989 Ulm,FRG Supplementum XVIII.
Weil J,Bell GD,Harrison G,Trowell JE,Gant P,Use of the 14C-urea breath test to monitor
treatment responses in C pylori positive patients – Two year follow-up figures.Klinische
Wochen-schrift 1989;67:70.(Second Meeting of the European Campylobacter pylori Study
Group October 12-14,1989 Ulm,FRG Supplementum XVIII.
Weil J and Bell GD. The 14C breath test. In Campylobacter pylori in gastro-duodenal disease.
Ed by Heatley V and Rathbone B. Blackwell Scientific Publications 1989 pages 83-93.
Weil J,Bell GD, Harrison G.14C-urea breath test for C.pylori.Gut 1989;30:1656-1657.
Brookes ST,Prosser SJ,Harrison G,Powell K,Bell GD.Rapid Analysis of 13 CO2 for 13C-urea
breath tests.Proceedings of IIIrd Workshop Gastroduodenal Pathology and
Campylobacter(Helicobacter)pylori.8-10 th November 1990.Toledo,Spain.
Rev.Esp.Enf.Digest.78:Suppl 1 P30 page 22.
Weil J, Bell GD,Powell KU,Jobson R,Trowell JE,Gant PW,Jones PH. Helicobacter pylori and
metronidazole resistance. Lancet 1990;336:1445.
Editors- Miller JP,Bell GD. Progress In Gastroenterology: Helicobacter pylori and other
insights. Research and Clinical Forums 1991;13:1-1 09.
Weil J,Bell GD,Powell K,Morden A,Harrison G,Gant P,Jones PH,Trowell JE,Burridge
SM.Helicobacter pylori treated with Pivampicillin alone or in combination with tripotassium
dicitrato bismuthate.Aliment Pharmacol Therap 1991;5:543-547.
9
Weil J,Bell GD,Powell KU,Morden A,Harrison G,Gant PW,Jones PH,Trowell JE.Omeprazole
and Helicobacter pylori:Temporary suppression rather than true eradication.Aliment
Pharmacol Therap 1991;5:309-313
Bell GD,Weil J,Powell K,Jobson R,Harrison G,,Gant PW,Jones PH,Owen RJ,Moreno
M,Trowell JE.Helicobacter pylori treated with combinations of tripotassium dicitrato
bismuthate and metronidazole:efficacy of different treatment regimens and some observations
on the emergence of metronidazole resistance.Eur J Gastro Hepatol 1991;3:819-822.
Bell GD,Powell K,Weil J,Burridge SM,Morden A,Harrison G,Gant PW,Jones PH,Trowell
JE.Experience with omeprazole in combination with either Amoxycillin or Colloidal Bismuth
Subcitrate in patients with metronidazole-resistant Helicobacter pylori.Eur J Gastro Hepatol
1991;3:923-926.
Bell GD. Anti-Helicobacter pylori therapy:clearance,elimination or eradication ?Lancet
1991;337:311.
Bell GD,Powell KU. Helicobacter pylori infection and duodenal ulcer. BMJ 1991;303:248.
Jobson RC, Weil J,Bell GD,Williams PF. Helicobacter pylori infection in uraemic patients .
Nephron 1991;58:31.
Bell GD,Powell K,Weil J,HarrisonG,Brookes S,Prosser S.13C-urea breath test for Helicobacter
pylori infection.Gut 1991;32:551-552.
Bell GD,Weil J.Detection of Helicobacter pylori by the 14C-urea breath test.In Helicobacter
pylori and Gastroduodenal Disease.Ed Rathbone BJ and Heatley RV.Blackwell Scientific
Publications.1992;Pages 74-87.
Bell GD, Powell KU, Burridge SM,Harrison G,Weil J,Gant PW,Jones PH,Trowell JE. Does a
previous course of tripotassium dicitrato bismuthate affect the subsequent chances of successful
H.pylori eradication ? Aliment Pharmacol Therap 1992;6:327-333.
Bell GD,Powell K,Burridge SM,Pallecaros A,Jones PH,Gant PW,Harrison G,Trowell
JE.Experience with “Triple” anti-helicobacter pylori eradication therapy:side effects and the
importance of testing the pre-treatment isolate for metronidazole resistance.Aliment Pharmacol
Therap 1992;6:427-435.
Bell GD,Powell KU,Burridge SM,Spencer GM,Bolton G,Purser K,Brooks S,Prosser S,Harrison
G,Gant PW,Jones PH,Trowell JE.Short Report:Omeprazole plus antibiotic combinations for the
eradication of metronidazole-resistant Helicobacter pylori.Aliment Pharmacol Therap
1992;6:751-758.
Owen RJ, Bell GD,Desai M,Moreno M,Gant PW,Linton D. Biotype and Molecular Fingerprints
of metronidazole resistant strains of Helicobacter pylori from antral gastric mucosa. J. Med
Microbiol 1993;38:6-12.
Bell GD,Powell KU,Burridge SM,Rameh B,Bolton G,Purser K,Harrison G,Gant PW,Jones
PH,Trowell JE.Helicobacter pylori eradication: efficacy and side effect profile of a combination
of omeprazole, amoxycillin and metronidazole compared with 3 different forms of bismuth
containing triple therapy.Quarterly J Med.1993;86:743-750.
Bell GD,Powell KU,Burridge SM,Spencer GM,Weil J,Gant PW,Trowell JE and Jones PH.
“Reinfection” after apparently successful eradication of Helicobacter pylori infection. Quarterly
J Med. 1993;86:375-382.
10
Bell GD,Powell KU,Bolton G,Richardson PDI.Clinical and Pharmacoeconomic evaluation
strategies for duodenal ulcer disease. Br J Med Econ 1993;6:45-58.
Bell GD,Powell KU. Eradication therapy for Helicobacter pylori and its effect in peptic ulcer
disease. Scand J Gastroenterol 1993;28: Suppl 196: 7-11.
Bell GD. Clinical aspects of infection with Helicobacter pylori . Communicable Disease Report
1993;3: Review Number 4 R59-62.
Bell GD and Powell KU. Helicobacter eradication . The Practioner 1993;2237:306-310.
Bell GD. Urea breath tests . In Helicobacter pylori infection. Pathophysiology, Epidemiology
and Management. Ed Northfield TC, Mendall M & Coggin PM. Kluwer Academic Publishers
Dordrecht/ Boston/ London. 1993 pages 127-138.
Bell GD,Powell KU,Bowden A,Harrison G,Trowell JE and Jones PH. Treatment of Helicobacter
pylori infection – Relationship between initial eradication rate and the observed
‘reinfection’rate six months. Gut 1994;35: (Supp 5) S2 (Abstract)
Powell KU,Bell GD,Bolton GH,Burridge SM,Bowden AF,Rameh B,Hart L,Bradley P,Harrison
G,Gant PW, Jones PH,Trowell JE,Brown C.Helicobacter pylori eradication in patients with
peptic ulcer disease: clinical consequences and financial implications.Q J Med. 1994;87:283-290.
Bell GD,Bate CM,Axon ATR,Tildesley G,Green JRB,Emmas CE and Taylor MD. Addition of
metronidazole to omeprazole /amoxycillin dual therapy increases the rate of Helicobacter pylori
eradication in a double-blind, randomised trial. Aliment Pharmacol Therap 1995; 9: 513-520.
Bell GD,Powell KU,Burridge SM, Bowden AF,Atoyebi W,Bolton GH. Rapid eradication of
Helicobacter pylori in ulcer disease. Aliment Pharmacol Therap 1995, 9: 41-46.
Powell KU,Bell GD,Bowden A,Trowell JE and Jones PH. An effective one week Helicobacter
pylori eradication therapy using omeprazole, clarithromycin and metronidazole. British J
Clinical Research 1995; 6: 85-90
Powell KU,Bell GD,Bowden AF,Trowell JE and Jones PH. Helicobacter pylori eradication
therapy: a comparison between either omeprazole or ranitidine in combination with amoxycillin
plus metronidazole . British J Clinical Research 1995; 6: 163-169.
Powell KU, Youngman PR, Bell GD, Burridge SM, Hastings L. A General practice study of
Helicobacter pylori eradication treatment in patients using long-term ulcer-healing drugs.
British J Clinical Research 1995; 6: 21-29.
Bell GD. Conference Report : Duodenal Ulcer Trials reported at the European Helicobacter
pylori Study Group, Edinburgh 1995. Aliment Pharmac Therap 1996;10:1-5.
Bell GD, Powell KU. Helicobacter pylori Reinfection after apparent eradication – The Ipswich
Experience. Scand J Gastroenterol 1996; 31 Suppl 215:96-104
Bell GD, Bate CM, Axon ATR, Tildesley G, Martin JL, Taylor MD, Richardson PDI.
Symptomatic and endoscopic duodenal ulcer relapse rates 12 months following Helicobacter
pylori eradication treatment with omeprazole and amoxycillin with or without metronidazole .
Aliment Pharmacol Therap 1996; 10:637-644.
11
Bell GD. “La place actuelle du métronidazole dans le traitment de l’infection à Helicobacter
pylori “ La lettre de l’infectiologue . Group d’études Francais des Helicobacter 5 e réunion
annuelle Tome XII – supplément au no 3 – mars 1997 10-15.
Bell GD. Helicobacter pylori : clinical implications. “In Horizons in Medicine “Volume 8. Royal
College of Physicians of London 1997 . pages 49-58.
Hastings LA, Bell GD,Powell KU,Bolton G,McCullagh M. Impact of Helicobacter pylori
eradication on the prescribing of ulcer-healing drugs in the treatment of peptic ulcer disease in
general practice. British Journal of Medical Economics 1997; 11:45-53.
Malfertheiner P, Megraud F, O’Morain C, Bell GD, Bianchi Porro G, Deltenre M, Foreman D,
Gasparinni G, Jaup B, Pares Garcia, , Quina M, Rauws E for the European Helicobacter pylori
Study Group (EHPSG) . Current European concepts in the management of Helicobacter pylori
infection – the Maastricht Consensus Report. European J of Gastroenterology and Hepatology
1997, 9: 1-2.
Williams NR, West JA, Howard AN, Powell KU, Bell GD. Validation of a rapid near-patient test
for diagnosing Helicobacter pylori infection. Xth International Workshop of Gastroduodenal
Pathology and Helicobacter pylori . Lisbon, Portugal 11-14th September 1997
Williams SG, Powell KU, Bell GD, Neal D, Baldwin L, Karia KR, Garcia- Rodriguez J, Jones
PH, McCullagh M. Results of the Suffolk District policy of treating patients under the age of 45
years with eradication therapy for Helicobacter pylori . Gut 1998 42: (Suppl 1 ) A76.
Bell GD. Clinical practice – breath tests . In Helicobacter Infection editors MJG Farthing and
Patchett SE. British Medical Bulletin 1998 ; 54 (No.1):187-193.
Cameron EAB, Powell KU, Baldwin L, Jones P, Bell GD, Williams SGJ. Helicobacter
pylori: antibiotic resistance and eradication rates in Suffolk, UK – 1991-2001.Journal of
Medical Microbiology 2004;53: 535-538.
Cameron EAB, Bell GD, Baldwin L, Powell KU and Williams SGJ. A long term follow up study
of re-infection following successful eradication of Helicobacter pylori infection. Gut 2005,
54(Supplement 11) A9
Cameron EAB, Bell G D, Baldwin L, Powell KU, Williams SGJ. Long-term study of re-infection
following successful eradication of Helicobacter pylori infection. Alimentary Pharmacology and
Therapeutics 2006;23:1355-1538.

Magnetic imager for colonoscopy and other applications including
Parkinson’s disease and sign language
:
Bladen JS,Anderson AP, Bell GD, Rameh B,Evans B,Heatley DJT. Non-radiological imaging of
endoscopes. Lancet 1993;341:719-722.
Bladen JS,Anderson AP, Bell GD, Heatley DJ. Non-radiological technique for the real-time
imaging of endoscopes in 3-dimensions. Conference Record of the 1993 IEEE Nuclear Science
Symposium and Medical Imaging Conference. 1993; pages 1891-1894.
Saunders BP,Bladen J,Williams CB, Bell GD. First clinical results with a real-time, electronic
imager as a aid to colonoscopy. Gut 1995;36:913-917.
Rowland R. & Bell GD. Non-radiological technique for three dimensional imaging of intestinal
endoscopes. – A new improved method of computerised graphical 3-D representation of the
endoscope and patient’s skeleton . Med.Biol.Eng.Comput., 1998;36:285-290.
Bell GD, Rowland RS, Heatley DH. Tele-endoscopy need no longer be prohibitively expensive.
Current Medical Literature – Gastroenterology. 1998;17(3):63-67.
Bell GD, Rowland RS, Heatley DJT. Inexpensive and readily available tele-endoscopy using a
modified pentium PC and a single ISDN2 telephone line. Gut 1998 ;42: (Suppl 1) A18.
Bell GD, Rowland RS, Rutter M, Dogramadzi S, Allen C, Swain P, Mosse CA, Mills T. Routine
use of a stiffening overtube during colonoscopy – would it shorten the procedure ? Gut 1998;42:
(Suppl 1) A18.
Rowland RS, Bell GD, Dogramadzi S, Allen C. Non-radiological technique for 3-D imaging of
endoscopes 2. A new improved method of computerised graphical representation and analysis.
Gut 1998;42: (Suppl1) A56.
Bell GD, Rowland RS. Colonoscopy beyond 2000 – Knowing where it is going. International
Journal of Gastroenterology 1999 4.3:19-21.
Painter JE, Saunders BP, Bell GD, Williams CB, Pitt R, Bladen J. Depth of insertion at Flexible
Sigmoidoscopy : Implications for Colorectal Cancer Screening and Instrument design .
Endoscopy 1999;31:227-231
Williams CW and Bell GD. Non-Radiological imaging of colonoscopes. Chapter in
Gastrointestinal Endoscopy Ed Sivak D. CD-ROM 1999
Williams CB, Saunders BP, Bell GD, Bladen JS, Gillies DF, Guy CM. Real-time magnetic three-
dimensional imaging of flexible endoscopy. In Gastrointestinal Endoscopy Clinics in North
America . Evolving Issues in Colon Endoscopy ed. Rex DK. Volume 7, Number 3 , July 1997
pages 469-476.
‘ Magnetic Positional Imaging – A new dimension in colonoscopy’ 1997 The Medical Multimedia
Company Limited 0171-431 4330. Distributed by Astra Ltd Video
Kitchen PA, Saunders BP, Halligan S, Bladen J, Bell GD, Williams CB. Accurate PEG tube
placement with magnetic positional imaging. Gastrointest Endosc 1999;50:83-85.
13
Bell GD, Rowland RS, Rutter M Abu-Sada M ,Dogramadzi S , Allen C . ‘Colonoscopy aided
by magnetic 3-D imaging – Would the routine use of a stiffening tube speed up the procedure ?
Med. Biol. Eng. Comput., 1999;37:605-611.
Rowland RS , Bell GD, Dogramadzi S, Allen C. Colonoscopy aided by magnetic 3-D imaging –
Is it sufficiently accurate to detect differences between men and women ? Med. Biol. Eng.
Comput., 1999;37:673-679.
Bell GD, Painter J, Rowland RS, Dogramadzi S, Allen C. Preliminary experience comparing
two longer thinner prototype Olympus endoscopes with a standard 60cm flexible
sigmoidoscope. Gut 1999;44(Suppl 1) A22
Bell GD, Rowland RS, Dogramadzi S, Allen C. Colonoscopy aided by magnetic 3-D imaging –
are there important differences between male and female patients ? Gut 1999;44(Suppl 1) A142
Rowland RS, Bell GD, Dogramadzi S, Allen C. Validation of a 3-D method of accurately
measuring the insertion depth of different anatomical sections of the colon during flexible
endoscopy. Gut 1999;44(Suppl 1) A22
Dogramadzi S, Allen C, Rowland RS, Bell GD. An electromagnetic imaging system for remote
sign language communication . Abstracts of papers presented at IEEE Conference on
‘Measurement and Control’ May 1999, Venice , Italy
Singhvi S, Small P, Bell GD, Pearson J, Boobis L, Crighton I, Corson J, Mitchison MC. Audit of
colonoscopy in a large DGH:Implications for trainers and trainees of the JAG
recommendations. Gut 2000;46(suppl II) A15
Painter J, Bell GD, Atkin WS, Rowland RS, O’Dwyer S T, Watson AJM. Colorectal cancer
screening : prospective trial comparing a thinner 100 cm prototype endoscope with a standard
60cm flexible sigmoidoscopy. Gut 2000;46(suppl II) A79
Bell G D, Hancock JM, Painter J, Rowland RS, Nylander D, Dogramadzi S, Allen C, Bladen JS,
Atkin WS. Pain during flexible sigmoidoscopy and colonoscopy: when and why does it occur ?
Gut 2000;46(suppl II) A30
Bell G D, Hancock JM, Rowland RS, Dogramadzi S, Allen C. Colonoscopy using a thin
prototype 130 cm endoscope in combination with a modified enteroscope stiffening overtube.
Gut 2000;46(suppl II) A33
Robinson J, Small P, Bell GD, Crighton I, Corson J, Hancock J, Nylander D, Mitchison H. A
prospective audit of colonoscopy in a large DGH- Factors affecting caecal intubation rates. Gut
2001;(suppl I) A10
Bell GD, Hancock J, Corson J, Crighton I, Burn K, Dogramadzi S, Rowland RS. Incidence and
significance of a previous hysterectomy in women attending for endoscopic examination of
lower GI symptoms. Gut 2001;(suppl I) A53
Painter JE, Bell GD, Rowland RS, Renehan AG, Shalet SM, O’Dwyer ST. Patients with
acromegaly have longer colons and are more difficult to colonoscope than normals. Gut
2001;(suppl I) A99
14
Bell GD, Crighton I, Corson J, Burn K, Bladen JS, Dogramadzi S, Allen CR, Rowland RS,
Atkin W. Flexible sigmoidoscopy in symptomatic patients- there are significant benefits to using
a paediatric colonoscope in female patients. Gut 2001;(suppl I) A97
Bell GD, Hancock J, Robinson J, Crighton I, Corson J, Dogramadzi S, Allen C, Rowland RS.
Colonoscopy in patients who have had a previous colonic resection(PCR)- is IV sedation
necessary ? The Association of Coloproctology of Great Britain and Ireland 2001 Annual
Meeting Harrogate: 25-27 the June 2001.
Su Y, Geng D, Allen CR, Burn D, Bell GD, Rowland RS. Three-Dimensional Motion System(
“Data Gloves”): Application for Parkinson’s Disease and Essential Tremor. IEEE International
Workshop on Virtual and Intelligent Measurement Systems, Budapest, Hungary, May 19-20,
2001
Bell GD, Butler J, Dogramadzi S, Hancock J, Nylander D, Painter J, Burn K and Bicker R. The
In Vitro assessment of a novel ‘continent’ and disposable corrugated sigmoid stiffening overtube
for colonoscopy. Gut 2002 ;50:A101
Y Su, C R Allen, D Geng, D Burn, U. Brechany, G D Bell, R Rowland Three-
Dimensional Motion System (“Data-Gloves”): Application for Parkinson’s Disease,
IEEE Trans on Instrumentation and Measurement 2003;52:662-674
Heatly DJT and Bell GD. Telemedicine in Gastrointestinal Endoscopy. Endoscopy 2003;35:624-
626.
Hancock J, Nylander D, Abro H, Burn K, +Bicker R, Allen CR, Lapeer R,Bell GD. Basic
colonoscopy: Hoken colon model or computer simulator for teaching torque steering
skills? Gut 2004 Suppl III, Vol 53 A48.
Renehan AG, Painter JE, Bell GD, Rowland, RS,O’Dwer S,Shalet SM. Determination of Large
Bowel Length and Loop Complexity in Patients with Acromegaly undergoing Screening
Colonoscopy. Clinical Endocrinology 2005 62 (3) March 2005, 323-330.
Hancock J, Nylander D, Painter J, Fowler L, Rowland RS, Bell GD. An adult variable stiffness
colonoscope (VSC) is a positive disadvantage in adult male patients irrespective of their body
mass index(BMI). Gut 2005, 54(Supplement 11) A75
Y Su, A Wolczowski, M H Fisher, G D Bell, D Burn, R Gao. Towards EMG Controlled
Prosthesic Hand Using a 3D Electromagnetic Positioning System. Proceedings of 2005 IEEE
Instrumentation and Measurement Technology Conference. OTTAWA, ONTARIO, CANADA,
17-19 MAY 2005, P261-266.

Studies relating to the development of a self actuating colonoscope
and other robotic applications:

Mosse CA, Mills TN,Bell GD, Swain CP. Forces exerted by the endoscopist on the colonoscope
during colonoscopy. Gut 1997;40(suppl 1) A40 (abstract).
Mosse CA, Mills TN,Bell GD, Swain CP. Forces exerted during oesophageal dilatation. Gut
1997;40(suppl 1) A33 (abstract).
15
Mosse CA, Mills TN, Bell GD, Swain CP. A device for measuring the forces exerted on the shaft
of an endoscope during colonoscopy. Med.Biol.Eng.Comput., 1998;36:186-190.
Dogramadzi S, Allen C, Leggett IC, Bell GD, Bladen J. Multi-link actuation and visualisation of
gastroenterological endoscopes. IEEE Conference ITMC’98 St Paul Minnesota May 1998
Bell GD, Rowland JB, Rowland RS, Dogramadzi S, Allen C. Use of a low pressure 3 cm
diameter everting (toposcopic) catheter as an aid to intubating the difficult colon – A feasibility
study using a plastic model. Gut 1999 ;44(Suppl 1) A21
Appleyard MN, Mosse CA, Mills TN, Bell GD, Castillo FD, Swain CP. The measurement of
forces exerted during colonoscopy. Gastrointest Endosc 2000;52:237-240.
Dogramadzi S, Allen C, Bell GD, Rowland RS. A method for continuous real-time measurement
of the pressure exerted by the shaft of a colonoscope upon the bowel wall: an in vitro evaluation.
Gut 2000;46(suppl II) A30
Bell GD and Burn K. Measurement of the stiffness of endoscopes – a plea for commonality. Gut
2001;49:154
Burn K, Bicker R, Bell GD, Dogramadzi S. A new method for rapidly measuring the flexural
rigidity of endoscopes. Gut 2002 ;50:A98.
Dogramadzi S, Burn K, Bicker R and Bell GD. The effect of temperature on the flexural rigidity of
various commercially available colonoscopes and gastroscopes. Gut 2002;50:A41
Hancock J, Dogramadzi S, Bell GD, Allen C, Burn K, Fletcher I, and Bicker R. Use of a pair of
pressure sensitive gloves to determine mechanical work done during either OGD or
colonoscopy- A pilot study in 10 patients. Gut 2002 ;50:A105
Burn K., Bicker R., Bell G.D., Dogramadzi S., Allen C.R. A novel system to rapidly analyse the
flexural rigidity of endoscopes used in colonoscopy and flexible sigmoidoscopy. International
Journal of Condition Monitoring and Diagnostic Engineering Management (COMADEM),
2003; 6(4): 24-32.
%1 Y Su, C R Allen, B Bicker, G D Bell. Remote Robot Control using instructions
from Human Hand Motion. Presented at a Workshop at Reading June 2003 and at
IFAC/Siroco Conference on Robotics and Control in Poland in September 2003
http://www.elsevier.com/locate/ifaca http://syroco2003.pwr.wroc.pl/
Dogramadzi S, Virk GS, Bell GD, Rowland RS. Recording forces exerted on the bowel during
colonoscopy: in vitro evaluation. The International Journal of Medical Robotics and Computer
Assisted Surgery. 2005;1 (4):89-97.
Yu Su, Mark H. Fisher, Andrzej Wolczowski, G Duncan Bell, David J. Burn, and Robert X.
Gao. Towards an EMG-Controlled Prosthetic Hand Using a 3-D Electromagnetic Positioning
System. IEEE TRANSACTION ON INSTRUMENT AND MEASUREMENT. VOL. 56, NO. 1,
FEBRUARY 2007, pp.178-186

Wireless Capsule Endoscopy:
Berens J, Mackiewicz M, Bell GD (2005) Stomach, intestine and colon tissue discriminators for
wireless capsule endoscopy (WCE) images. In: Proceedings of SPIE, vol 5747, pp 283–290/
Mackiewicz M, Berens J, Fisher M , Bell G D, Jamieson C. Computational colour techniques
can speed up the viewing of wireless capsule Endoscopy (WCE) images as well as to determine
intestinal transit time (ITT). Gut 2005, 54(Supplement 11) A10
Berens J, Mackiewicz M, Fisher M, Bell GD (2005) Using colour distributions to discriminate
tissues in wireless capsule endoscopy images. In: Proceedings of medical image understanding
and analyses 2005 conference, Bristol, UK, July 2005, pp 107–110
M. Mackiewicz, J. Berens, M. Fisher, G. D. Bell, and C. Jamieson. Computational colour
techniques can speed up the viewing of Wireless Capsule Endoscopy (WCE) images as well as
determine gastric and intestinal transit times(GTT and ITT). Endoscopy, 54 (Suppl II):A10,
2005.
M. Mackiewicz, J. Berens, M. Fisher, and G.D. Bell. Colour and texture based gastrointestinal
tissue discrimination. In Proc. IEEE Int. Conf. on Acoustics Speech and Signal Processing,
ICASSP’06, 2006.

Studies working with Professor de la Iglesia on document
classification and Data Mining:

de la Iglesia B, Hsu C, Bell GD, Rayward-Smith VJ. Data mining techniques applied to an
Endoscopy data base: what additional information might it generate? Gut 2004 Suppl III,
Vol 53 A51.
Reynolds A. P., de la Iglesia B., Bell G. D., Cooke VJ, Tighe R. To be or not to be sedated? The
effect of age and gender on an individual patient’s likely decision. Gut 2005, A62
Reynolds A. P., de la Iglesia B., Bell G. D., Sheikh K, Cooke VJ ,Tighe R. Monitoring
colonoscopy success rates and detecting changes in sedation practice using data mining and
statistical techniques: figures from a regional training centre. Gut 2005, 54(Supplement 11) A10
Lord DA , Bell GD , Gray A , Quine A , Bowles J , Romaya C , de la Iglesia B , Reynolds A ,
Rayward-Smith VJ .Sedation for Gastrointestinal Endoscopy: the dose of IV Midazolam used
in elderly and/or at risk patients is still excessive in a significant percentage of cases.
http://www.bsg.org.uk/pdf_word_docs/sedation_elderly.pdf.
Fathi H. Saad, Beatriz de la Iglesia, Duncan G.  Bell, “Comparison of Documents Classification
Techniques to Classify Medical Reports”, Proceeding of 10th Pacific-Asia Conference, PAKDD
2006, Singapore, April 9-12, 2006.
18
Fathi H. Saad, Beatriz de la Iglesia, Duncan G.  Bell, “Effect of Document Representation on the
Performance of Medical Document Classification”, The 2006 International Conference on Data
Mining (DMIN06), Las Vegas, Nevada, USA, 2006. 
Fathi H. Saad, Beatriz de la Iglesia, G Duncan Bell, “A Comparison of Two Document Clustering
Approaches for Clustering Medical Documents”, The 2006 International Conference on Data
Mining (DMIN06), Las Vegas, Nevada, USA, 2006.  URL:
http://ww1.ucmss.com/books/LFS/CSREA2006/DMI5607.pdf
Saad FH, de la Iglesia B, Bell GD. Comparison of Document Classification Techniques to Classify
Medical Reports. In Lecture Notes in Computer Science. Editors: Wee Keong Ng, Masaru
Kitsuregawa, Jianzhoug Li, Kuiyu Chang . Pages 285-291. Publisher Springer
Berlin/Heidelberg ISSN:0320-9743 Volume 3918/2006
Sheikh K ,Reynolds A P, de la Iglesia B, Bell GD, Tighe R. Colonoscopy success rates derived from
data mining large endoscopy data bases: how should we express the results? Gut 2005,
54(Supplement 11) A75
Reynolds A. P., de la Iglesia B., Bell G. D., Sheikh K, Cooke VJ ,Tighe R. Monitoring colonoscopy
success rates and detecting changes in sedation practice using data mining and statistical
techniques: figures from a regional training centre. Gut 2005, 54(Supplement 11) A10
Saad FH, de la Iglesia B, Bell GD. Comparison of Document Classification Techniques to Classify
Medical Reports. Advances in Knowledge Discovery and Data Mining: 10 th Pacific Asia
Conference, PAKDD 2006, Singapore, April 9-12 th , 2006.
Fathi H. Saad, Duncan G.  Bell, Beatriz de la Iglesia, “Classification Techniques and Application for
Medical Reports with Minimal Labelling Effort”, International Journal of Data Mining and
Bioinformatics (IJDMB), ISSN (Print): 1748-5673, 2008.

Miscellaneous
Nundy S, Bell GD, Cowley DJ, Melrose DG. Are silicone rubber T-tubes better than latex
rubber tubes in the common bile duct ? A rhesus monkey model. Brit J Surg 1974;61:206-208.
Bell GD,Langman MJS. Gastroenterology section in “ABC of Medical Treatment” Banks DC.
Churchill Livingstone. 1979; pages 42-57.
Langman MJS, Henry DA, Bell GD, Burnham WR, Ogilvy A. Cimetidine and Ranitidine in
duodenal ulcers. BMJ 1980;281:473-474.
Bell GD. Anticholinergic and spasmolytic agents – Adverse effects and drug interactions. In
Drug interactions series in Mims Magazine pages 55-59. 1981.
Langman MJS, Bell GD. Alcohol and the gastrointestinal tract. British Medical Bulletin
1982;38:71-75.
Richmond CR, Bell GD. Interference in the carbazole reaction used for the assay of urinary
uronic acids. Medical Laboratory Sciences 1981;38:67-69.
Dronfield MW, Langman MJS,Atkinson M, Balfour TW, Bell GD, Vellacott KD, Amar
SS,Knapp D. Outcome of endoscopy and barium radiography for acute upper GI bleeding – a
control trial in 1037 patients. BMJ 1982;284:545-548.
Bell GD. Drug induced gastrointestinal problems. Modern Medicine 1982;18.8 pages 3-5.
Kamali F, Fry JR,Smart HL, Bell GD. A double blind placebo controlled trial to examine the
effects of sucralfate on paracetamol metabolism. Brit J. Clin Pharmacology 1985;19:113-114.
Reeve P,Moshiri M, Bell GD. Simultaneous pulmonary oedema, jaundice and renal impairment
associated with Naproxen. Brit J Rheumatology 1987;XXVI: 70-71.
22
Kamali F, Fry JR, Bell GD. Salivary secretion of paracetamol in man . J. Pharm. Pharmacol
1987;39:150-152.
Coady T. Seaton D,Day A, Bell GD. Measurement of exhaled chlorofluocarbons. Lancet
1988;ii:1286-1287.
Kamali F,Fry JR, Bell GD, Kitchingman GK,Standen G,Sokal M. Hepatic drug metabolising
ability and gastrointestinal absorption of drugs in patients undergoing high-dose methotrexate
chemotherapy. J Drug Dev 1988;1(3):137-143.
Physical signs of sexual abuse in children. A report of the Royal College of Physicians. Working
Party Report by RCP of London, April 1991; 1-72.
Trowell JE, Bell GD. Biopsy appearances of Ischaemic Gastritis in splanchnic arterial
insufficiency. Journal of Clinical Pathology . 1998;51:255-256.
Bell GD. The Irritable Bowel Syndrome and Diverticular Disease in the colon. Focus – The
International Monograph Series, Medicine(UK) Ltd, Kingston upon Thames,Surrey KT2 6AY,
pages 21-26.
Bell GD, English J, Speirs C, Nylander D, Hancock JM, Rowland RS. Colonic mucosal
concentrations of prednisolone following oral administration of a novel formulation of
prednisolone metasulphobenzoate (Predocol). Gut 2000;46(suppl II) A8
Mitchison HC, Rutter M, Bell GD. Workload and Dynamics of a DGH Outpatient Clinic:
balancing the books. Gut 2001;(suppl I) A11
Nylander D, Mitchison HC, Bell GD. A one year 30-day audit of day case ERCP shows it to be
safe and cost effective provided a simple 6 hour post procedure discharge protocol is followed.
Gut 2001;(suppl I) A96