Hokama Akira, Kinjo Fukunori, Tomiyama Ryosaku, Kishimoto Kazuto, Maeda Kiyoshi, Miyagi Satoru, Nakama Miki, Saito Atsushi
First Department of Internal Medicine, University of the Ryukus, Okinawa, Japan.
Gastrointest Endosc. 2005 Aug;62(2):306; discussion 306. doi: 10.1016/j.gie.2005.04.011.