Renthal Nora E, Tsai Judy Peih Ying, Burns Dennis K
Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas, USA.
Clin Gastroenterol Hepatol. 2012 May;10(5):e46. doi: 10.1016/j.cgh.2011.12.023. Epub 2011 Dec 23.