Schindler Amy E, Schneider Jonathan A, Obstein Keith L
Division of Gastroenterology, Hepatology, and Nutrition, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
Clin Gastroenterol Hepatol. 2012 Feb;10(2):e13-4. doi: 10.1016/j.cgh.2011.09.022. Epub 2011 Oct 5.