Coté Gregory A, Brunt Elizabeth M, Jonnalagadda Sreenivasa S
Department of Medicine, Division of Gastroenterology & Hepatology, Washington University, St. Louis, Missouri, USA.
Clin Gastroenterol Hepatol. 2009 Jun;7(6):e28-9. doi: 10.1016/j.cgh.2009.02.011. Epub 2009 Feb 24.