Hosoe Naoki, Imaeda Hiroyuki, Okamoto Susumu, Bessho Rieko, Saito Riko, Ida Yosuke, Kobayashi Seiki, Kanai Takanori, Hibi Toshifumi, Ogata Haruhiko
Center for Diagnostic and Therapeutic Endoscopy, School of Medicine, Keio University, Tokyo, Japan.
Gastrointest Endosc. 2011 Sep;74(3):690-1. doi: 10.1016/j.gie.2011.05.011.