Chey William D, Owyang Chung
Division of Gastroenterology, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan.
Division of Gastroenterology, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan.
Gastroenterology. 2016 Feb;150(2):289-90. doi: 10.1053/j.gastro.2015.12.028. Epub 2015 Dec 21.