Rectal administration of low-dose diclofenac does not reduce post-endoscopic retrograde cholangiopancreatography pancreatitis: a propensity score matching analysis - Sakai, Hiroaki; Iwai, Naoto; Sakagami, Junichi; Okuda, Takashi; Ohara, Tomoya; Hattori, Chie; Taniguchi, Masashi; Oka, Kohei; Hara, Tasuku; Tsuji, Toshifumi; Komaki, Toshiyuki; Kagawa, Keizo; et al. (Surgical Endoscopy: And Other Interventional Techniques, 2023)