A combination of pocket, double-clip countertraction, and isolated HybridKnife as a quick and safe strategy for colonic endoscopic submucosal dissection - Jacques, Jérémie; Legros, Romain; Charissoux, Aurélie; Rivory, Jérôme; Sautereau, Denis; Pauliat, Emmanuelle; Pioche, Mathieu (Endoscopy, 2017)