Naseer, Maliha Endoscopic advances in the management of non-variceal upper gastrointestinal bleeding: A review. [electronic resource] - World journal of gastrointestinal endoscopy Jan 2020 - 1-16 p. digital Publication Type: Journal Article; Review ISSN: 1948-5190 Standard No.: 10.4253/wjge.v12.i1.1 doi