Kuwatani Masaki, Sakamoto Naoya
Division of Endoscopy, Hokkaido University Hospital, Japan.
Department of Gastroenterology and Hepatology, Hokkaido University Hospital, Japan.
Intern Med. 2021 Mar 15;60(6):825-826. doi: 10.2169/internalmedicine.6100-20. Epub 2020 Oct 14.