Krishna Somashekar G, Lamps Laura W, Rego Rayburn F
Department of Gastroenterology and Hepatology, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA.
Clin Gastroenterol Hepatol. 2010 Jan;8(1):e5-6. doi: 10.1016/j.cgh.2009.07.021. Epub 2009 Jul 28.