Ogura Takeshi, Masuda Daisuke, Takeuchi Toshihisa, Fukunishi Shinya, Higuchi Kazuhide
2nd Department of Internal Medicine, Osaka Medical College, Osaka, Japan.
Gastrointest Endosc. 2016 Apr;83(4):834-5. doi: 10.1016/j.gie.2015.10.009. Epub 2015 Oct 23.