Graham David Y, Lu Hong, Shiotani Akiko
Department of Medicine, Michael E. DeBakey VA Medical Center and Baylor College of Medicine, Houston, TX, USA.
GI Division, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Institution of Digestive Disease, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Shanghai, People's Republic of China.
Saudi J Gastroenterol. 2017 Sep-Oct;23(5):265-267. doi: 10.4103/sjg.SJG_292_17.