Sakai Eiji, Endo Hiroki, Tokoro Chikako, Sugano Nobuhiro, Rino Yasushi, Oshiro Hisashi, Nakajima Atsushi
Gastroenterology Division, Department of Gastroenterological Surgery, Yokohama City University, and Yokohama City University Hospital, Yokohama, Japan.
Gastrointest Endosc. 2011 May;73(5):1058-60. doi: 10.1016/j.gie.2010.08.051. Epub 2010 Oct 29.