Tang Shou-Jiang, Weeks Ernest S, Bhaijee Feriyl
Division of Digestive Diseases, Department of Medicine, University of Mississippi Medical Center, Jackson, Mississippi, USA.
Clin Gastroenterol Hepatol. 2013 Mar;11(3):e20-1. doi: 10.1016/j.cgh.2012.06.034. Epub 2012 Jul 17.