Penn D Eli, Draganov Peter V, Wagh Mihir S, Forsmark Chris E, Gupte Anand R, Chauhan Shailendra S
Division of Gastroenterology, Hepatology, and Nutrition, Department of Internal Medicine, University of Florida College of Medicine, Gainesville, Florida 32610-0214, USA.
Gastrointest Endosc. 2012 Sep;76(3):679-84. doi: 10.1016/j.gie.2012.04.457. Epub 2012 Jun 23.