Pseudo-papillary orifice

Shitani, M; Ito, M; Mitsuhashi, K; Adachi, T; Nakase, H

Shitani, M (corresponding author), JR Sapporo Hosp, Dept Gastroenterol & Hepatol, Chuo Ku, N-3,E-1, Sapporo, Hokkaido 0600033, Japan.

ENDOSCOPY INTERNATIONAL OPEN, 2021; 9 (9): E1321