Treatment of Multiple Rectal Carcinoids by Endoscopic Mucosal Resection Using a Device for Esophageal Variceal Ligation - Okamoto, Y; Fujii, M; Tateiwa, S; Sakai, T; Ochi, F; Sugano, M; Oshiro, K; Masai, K; Okabayashi, Y (Endoscopy, 2004)