| | Exam 2: Recurrent Gastrointestinal Bleeding After Negative Upper Endoscopy and Colonoscopy published online 06 July 2009. No full text is available. To read the body of this article, please view the PDF online. |
PII: S1542-3565(09)00587-4 doi:10.1016/j.cgh.2009.06.014 © 2009 AGA Institute. Published by Elsevier Inc. All rights reserved. | |
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