Meckel’s diverticulum on third-generation video capsule endoscopy: intradiverticular ulcer, ectopic gastric mucosa, and active bleeding - Le Mouel, Jean-Philippe; Morvan, Julie; Fumery, Mathurin; Hakim, Sami; Delcenserie, Richard; Chatelain, Denis; Nguyen-Khac, Eric (Endoscopy, 2018)