Chinen Takatoshi, Misawa Tadashi, Yao Takashi, Nasu Toshifumi, Yoshida Koki, Kubo Shigeru, Toyoshima Satoshi, Sakaguchi Tsugio, Harada Naohiko
Department of Gastroenterology, Kitakyushu Municipal Medical Center, Japan.
Gastrointest Endosc. 2005 Feb;61(2):338-40. doi: 10.1016/s0016-5107(04)02470-8.