DeWitt John, Al-Haddad Mohammad, Fogel Evan, Sherman Stuart, LeBlanc Julia K, McHenry Lee, Schmidt C Max
Division of Gastroenterology and Hepatology, Indiana University Medical Center, Indianapolis, Indiana 46202, USA.
Gastrointest Endosc. 2009 Jul;70(1):185-8. doi: 10.1016/j.gie.2008.09.060. Epub 2009 Jan 18.