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A 77-year-old man with nonvariceal upper gastrointestinal bleeding |
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| Authors: | Kyle J. Fortinsky Nathan M. Stall Alan N. Barkun |
| Affiliation: | Department of Medicine (Fortinsky, Stall) University of Toronto, Toronto, Ont.; Gastroenterology and Clinical Epidemiology (Barkun), McGill University, Montréal, Que. |
| Abstract: | |
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