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Endoscopic difficulties in the diagnosis of upper gastrointestinal bleeding |
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| Authors: | Appleyard M N Swain C P |
| Affiliation: | Department of Gastroenterology, Barts and The London NHS Trust,London El 1BB, UK |
| Abstract: | |
| Keywords: | gastrointestinal hemorrhage/diagnosis angiodysplasia/diagnosis endoscopy,gastrointestinal/methods |
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