Endoscopic submucosal resection of a rectal carcinoid tumor by cap aspiration - snare resection method - ÇELEBİ KOBAK, Arzu and ZEYBEL, Müjdat and AYHAN, Semin and KARA, Eray and ELLİDOKUZ, Ender (Turkish Journal of Gastroenterology, 2006)