Feasibility Study Using a New Small Electronic Pancreatoscope: Description of Findings in Chronic Pancreatitis - Kodama , T; Imamura , Y; Sato , H; Koshitani , T; Abe , M; Kato , K; Uehira , H; Horii , Y; Yamane , Y; Kashima , K; Yamagishi , H (Endoscopy, 2003)