Dang Shyam, Atiq Muslim, Julka Rahul, Olden Kevin W, Aduli Farshad
Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA.
Gastrointest Endosc. 2009 Jul;70(1):167; discussion 167. doi: 10.1016/j.gie.2009.03.003.