Chou Jen-Wei, Huang Shang-Fen, Shih Yi-Sing
Division of Gastroenterology and Hepatology, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan.
Gastroenterology. 2011 Nov;141(5):e5-6. doi: 10.1053/j.gastro.2010.08.058. Epub 2011 Sep 28.