Endoscopic resection of a complex gastric duplication cyst using a submucosal tunneling technique - Chavan, Radhika; Nabi, Zaheer; Basha, Jahangeer; Sekaran, Anuradha; Darisetty, Santosh; Reddy, Palle Manohar; Reddy, D. Nageshwar (Endoscopy, 2021)