Abe Koichiro, Koga Ichiro, Hoshimoto Kazufusa
Department of Internal Medicine, Teikyo University School of Medicine, Tokyo, Japan.
The University of Tokyo, The Institute of Medical Science, Tokyo, Japan.
Gastroenterology. 2015 Feb;148(2):e1-2. doi: 10.1053/j.gastro.2014.07.034. Epub 2014 Dec 19.