AF.125 ENDOCUFF VISION-ASSISTED RESECTION FOR "DIFFICULT" COLONIC LESIONS: EFFICACY AND SAFETY IN A PILOT MULTICENTER RANDOMIZED STUDY. (September 2021) - Palma, R.; Andrisani, G.; Fanello, G.; Lauro, A.; Ormando, V.M.; Panetta, C.; Pontone, S.