Okada Hirokazu, Izumi Toshinobu, Tsubosaka Mako, Nagase Yuki, Oka Hiroaki, Fukuoka Keiko, Ikemura Takahiro, Kawamura Tetsuji
Department of Gastroenterology, National Hospital Organization Himeji Medical Center, Japan.
Nihon Naika Gakkai Zasshi. 2011 Oct 10;100(10):3048-51. doi: 10.2169/naika.100.3048.