Nishiwaki Shinji, Hatakeyama Hiroo, Takada Jun, Watanabe Naoki, Iwashiwa Masahide, Araki Hiroshi, Saito Koshiro
Department of Internal Medicine, Nishimino Kosei Hospital, Yoro, Gifu City, Japan.
Gastrointest Endosc. 2010 May;71(6):1097-9. doi: 10.1016/j.gie.2009.10.008. Epub 2010 Feb 6.