Conversion of Endoscopic Nasobiliary Drainage to Internal Drainage by Means of Endoscopic Scissor Forceps - Uchida, N; Ezaki, T; Fukuma, H; Tsutsui, K; Kobara, H; Bang, M H; Ogawa, M; Watanabe, K; Ono, M; Morishita, A; Ogi, T; Kamata, H; Masaki, T; Watanabe, S; Kuriyama, S (Endoscopy, 2002)