Endoscopy in patients on antiplatelet or anticoagulant therapy, including direct oral anticoagulants: British Society of Gastroenterology (BSG) and European Society of Gastrointestinal Endoscopy (ESGE) guidelines - Veitch, Andrew M.; Vanbiervliet, Geoffroy; Gershlick, Anthony H.; Boustiere, Christian; Baglin, Trevor P.; Smith, Lesley-Ann; Radaelli, Franco; Knight, Evelyn; Gralnek, Ian M.; Hassan, Cesare; Dumonceau, Jean-Marc (Endoscopy, 2016)