Yang Yunsheng, Owyang Chung, Wu Gary D
Chinese PLA General Hospital, Beijing, China.
Division of Gastroenterology, University of Michigan, Ann Arbor, Michigan.
Gastroenterology. 2016 Dec;151(6):e1-e5. doi: 10.1053/j.gastro.2016.10.034. Epub 2016 Nov 1.