Shil, B. C.; Rashid, M. M. U.; Saha, S. K.; Banik, R. K.; Saifullah, A.; Salam, F.; Habib, R.; Saha, M.; Rahman, M. H. Efficacy of Per Rectal Non-Steroidal Anti-Inflammatory Drugs to Prevent Post Endoscopic Retrograde Cholangiopancrea-Tography Pancreatitis: A Comparative Study. Bangla J Med 2021, 32, 99-106.