Ono Shouko, Kato Mototsugu, Ishigaki Saori, Shimizu Yuichi
Division of Endoscopy, Hokkaido University Hospital, Sapporo, Japan.
Department of Gastroenterology, Hokkaido University Graduate School of Medicine, Sapporo, Japan.
Gastrointest Endosc. 2014 Jan;79(1):163-4; discussion 164. doi: 10.1016/j.gie.2013.08.008. Epub 2013 Oct 7.