Nakadoi Koichi, Tanaka Shinji, Hayashi Nana, Ozawa Shun-ichiro, Terasaki Motomi, Takata Sayaka, Kanao Hiroyuki, Oka Shiro, Chayama Kazuaki
Department of Endoscopy, Hiroshima University Hospital, Hiroshima, Japan.
Gastrointest Endosc. 2012 Aug;76(2):444-50. doi: 10.1016/j.gie.2012.04.004.