Miller Ethan D, Steidley D Eric, Arabia Francisco A, Decker G Anton
Division of Gastroenterology and Hepatology, Mayo Clinic, Scottsdale, Arizona 85259, USA.
Gastrointest Endosc. 2009 Jul;70(1):181-3. doi: 10.1016/j.gie.2008.09.041. Epub 2009 Jan 18.