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See CME exam on page 811. Abbreviations used in this paper: AVM, angiodysplastic lesion, CE, capsule endoscopy, CT, computed tomography, CTE, computed tomography enterography, DBE, double-balloon enteroscopy, GI, gastrointestinal, SBE, single-balloon enteroscopy, SBFT, small bowel follow-through barium x-rays Division of Gastroenterology and Hepatology, Stanford University School of Medicine, Stanford, California
This article has an accompanying continuing medical education activity on page 811. Learning Objectives—At the end of this activity the learner should know the advantages and limitations of tests used to identify the source of recurrent gastrointestinal bleeding with negative upper and lower endoscopy. Conflicts of interest The author discloses the following: Dr Gerson has received speaking honorarium from Given Imaging Inc. She has received grant support and speaking honorarium from Fujinon, Inc. PII: S1542-3565(09)00235-3 doi:10.1016/j.cgh.2009.03.010 © 2009 AGA Institute. Published by Elsevier Inc. All rights reserved. | ||||||||||||||||||||||||||