Navaneethan, Udayakumar Efficacy and safety of endoscopic mucosal resection of non-ampullary duodenal polyps: a systematic review. [electronic resource] - Endoscopy international open Jun 2016 - E699-708 p. digital Publication Type: Journal Article ISSN: 2364-3722 Standard No.: 10.1055/s-0042-107069 doi