1. A 28‐year‐old man with abdominal cramping pain and tarry stool for 6 months. Issue 3 (7th September 2017) Authors: Wei, g‐Yu; Ko, Chung‐Wang; Yeh, g‐Zen; Wu, Cheng‐Pin; Chang, Chung‐Hsin; Wang, Ren‐Ching Journal: Advances in digestive medicine Issue: Volume 4:Issue 3(2017) Page Start: 117 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗