Takeda Y, Inatomi O, Shintani S, Fujimoto T, et al. Clinical response in the haustra-like folds observed during peroral
cholangioscopy following steroid therapy for immune checkpoint inhibitor-induced
cholangitis. Endoscopy 2022 Aug 24. doi: 10.1055/a-1899-8619.
PMID: 36002015