Li Bai-Rong, Hu Liang-Hao, Li Zhao-Shen
Department of Gastroenterology and Digestive Endoscopy Center, Changhai Hospital, The Second Military Medical University, Shanghai, China.
Gastroenterology. 2014 Aug;147(2):541-2. doi: 10.1053/j.gastro.2014.03.054. Epub 2014 Jun 27.