Jangouk Parastoo, Hashash Jana G
Department of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
Division of Gastroenterology, Hepatology and Nutrition, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania.
Gastroenterology. 2014 Apr;146(4):913, 1138. doi: 10.1053/j.gastro.2013.12.038. Epub 2014 Feb 19.