Appleyard MN, Swain CP. Endoscopic difficulties in the diagnosis of upper gastrointestinal bleeding. World J Gastroenterol 2001; 7(3): 308-312 [PMID: 11819781 DOI: 10.3748/wjg.v7.i3.308]
Corresponding Author of This Article
M. N. Appleyard MRCP, Department of Gastroenterology, Barts and The London NHS Trust, London E1 1BB, UK
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Review
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