Counter-traction using clips and rubber banding for endoscopic submucosal dissection of a laterally spreading tumor involving a diverticulum in the colon - Albouys, Jérémie; Geyl, Sophie; Charissoux, Aurélie; Legros, Romain; Sautereau, Denis; Pioche, Mathieu; Jacques, Jérémie (Endoscopy, 2019)