Endoscopic submucosal dissection of a large pedunculated gastric lesion: avoiding massive bleeding to achieve en bloc resection - Nunes, Gonçalo; Libânio, Diogo; Castro, Rui; Marques-de-Sá, Inês; Gigliano, Davide; Dinis-Ribeiro, Mário (Endoscopy, 2019)