Rajendra Arathi, Cohen Seth A, Kasmin Franklin E, Siegel Jerome H, Leitman Michael
Division of Digestive Diseases, Beth Israel Medical Center, New York, New York, USA.
Gastrointest Endosc. 2009 Oct;70(4):780-1. doi: 10.1016/j.gie.2009.05.025. Epub 2009 Jul 28.