ÇELEBİ KOBAK, Arzu, Müjdat ZEYBEL, Semin AYHAN, Eray KARA, and Ender ELLİDOKUZ. 2006. “Endoscopic Submucosal Resection of a Rectal Carcinoid Tumor by Cap Aspiration - Snare Resection Method”. Turkish Journal of Gastroenterology 17 (4):313-15. https://turkjgastroenterol.org/index.php/tjg/article/view/1555.