The flexible high-pressure injection knife, a new high-performance tool for submucosal dissection. Randomized controlled study in animals and propensity score in humans - Olivier, R; Jeremie, A; Alfarone, L; Clement, J; Van der Voort, V; Hugo, L; Colin, R; Romain, L; Schaefer, M; Jacques, J (Endoscopy, 2025)