Tsujino T, Kogure H, Sasahira N, Isayama H, Tada M, Kawabe T, Omata M, Akahane M, Sano K, Makuuchi M
Department of Gastroenterology, Faculty of Medicine, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8655, Japan.
Gut. 2007 Oct;56(10):1372, 1393. doi: 10.1136/gut.2006.102814.