Effective application of self-assembling peptide matrix with the gel immersion technique and red dichromatic imaging for hemostasis of postendoscopic sphincterotomy bleeding - Toyonaga, Haruka; Hayashi, Tsuyoshi; Nakamura, Risa; Iwano, Kosuke; Kin, Toshifumi; Takahashi, Kuniyuki; Katanuma, Akio (Endoscopy, 2022)