1. Clinical Challenges and Images in GI
Ulrich Wellner, MD, Dominik Mattern, MD, Tobias Keck, MD, MBA 
Gastroenterology 
Volume 135, Issue 6, (December 2008)
DOI: /j.gastro
Copyright © 2008 AGA Institute Terms and Conditions

2. Gastroenterology 2008 135, DOI: (10.1053/j.gastro.2008.10.068)
Copyright © 2008 AGA Institute Terms and Conditions

3. Gastroenterology 2008 135, DOI: (10.1053/j.gastro.2008.10.068)
Copyright © 2008 AGA Institute Terms and Conditions

4. Gastroenterology 2008 135, DOI: (10.1053/j.gastro.2008.10.068)
Copyright © 2008 AGA Institute Terms and Conditions

5. Gastroenterology 2008 135, DOI: (10.1053/j.gastro.2008.10.068)
Copyright © 2008 AGA Institute Terms and Conditions