Efficacy and safety of a needle-type knife that injects fluid through its tip compared with a conventional needle-injection knife for colorectal endoscopic submucosal dissection: a randomized controlled trial (with video).

Yuki Kano, Eiji Sakai, Risato Takeda, Makoto Koda, Taku Morita, Hideyuki Chiba, Etsuko Yamabe, Rikimaru Sawada, Toshifumi Iida, Susumu Banjoya, Tomoya Kimura, Naoki Tomita, Koichi Furuta, Shinya Nagae, Hiroshi Yamazaki