Okagawa Yutaka, Abe Seiichiro, Takamaru Hiroyuki, Sekiguchi Masau, Yamada Masayoshi, Sakamoto Taku, Saito Yutaka
Endoscopy Division, National Cancer Center Hospital, Tokyo, Japan.
Department of Gastroenterology, Tonan Hospital, Sapporo, Japan.
Endoscopy. 2021 May;53(5):E177-E178. doi: 10.1055/a-1216-1167. Epub 2020 Aug 20.