Matsumoto Satohiro, Miyatani Hiroyuki, Yoshida Yukio, Nokubi Mitsuhiro
Department of Gastroenterology, Saitama Medical Center, Jichi Medical University, Omiya, Saitama, Japan.
Gastrointest Endosc. 2011 Jun;73(6):1309-12. doi: 10.1016/j.gie.2010.11.007. Epub 2011 Jan 26.