Atiqur Rahman et al. 2024. Sedation for Endoscopic Retrograde Cholangiopancreatography (ERCP) – A comparative study between propofol-fentanyl with Propofol-fentanyl-ketamine Combination. Central Medical College Journal . 7, 2 (Jul. 2024), 70–81. DOI:https://doi.org/10.3329/cemecj.v7i2.74415.