Kuwatani Masaki, Sakamoto Naoya
Division of Endoscopy, Hokkaido University Hospital, Sapporo, Japan.
Department of Gastroenterology and Hepatology, Hokkaido University Hospital, Sapporo, Japan.
JMA J. 2021 Apr 15;4(2):176-177. doi: 10.31662/jmaj.2021-0025. Epub 2021 Apr 2.