1. Electronic Clinical Challenges and Images in GI
Daniel L. Cohen, MD 
Gastroenterology 
Volume 135, Issue 5, Pages e1-e2 (November 2008)
DOI: /j.gastro
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2. Gastroenterology 2008 135, e1-e2DOI: (10.1053/j.gastro.2008.10.004)
Copyright © 2008 AGA Institute Terms and Conditions

3. Gastroenterology 2008 135, e1-e2DOI: (10.1053/j.gastro.2008.10.004)
Copyright © 2008 AGA Institute Terms and Conditions

4. Gastroenterology 2008 135, e1-e2DOI: (10.1053/j.gastro.2008.10.004)
Copyright © 2008 AGA Institute Terms and Conditions