Dual-functional use of thread delivery hood for traction-assisted rectal endoscopic submucosal dissection and defect closure - Kobayashi, Nobuya; Kobara, Hideki; Kozuka, Kazuhiro; Tada, Naoya; Matsui, Takanori; Nishiyama, Noriko; Masaki, Tsutomu (Endoscopy, 2021)