Gut : an international journal of gastroenterology and hepatology / editor Michael J G Farthing. vol. 45, no. 1-6, 1999
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London :
BMJ Publishing Group,
Gut : an international journal of gastroenterology and hepatology / editor Michael J G Farthing. vol. 44, no. 1-6, 1999
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London :
BMJ Publishing Group,