Kim Hak N, Lewin Jan S, Knott Jodi K, Hutcheson Katherine A, Dekovich Alexander
Department of Gastroenterology, Hepatology, and Nutrition, The University of Texas MD Anderson Cancer Center, Houston, Texas 77030, USA.
Gastrointest Endosc. 2012 Jul;76(1):193-6. doi: 10.1016/j.gie.2012.03.167.