“Sedation for Endoscopic Retrograde Cholangiopancreatography (ERCP) – A Comparative Study Between Propofol-Fentanyl With Propofol-Fentanyl-Ketamine Combination”. Central Medical College Journal 7, no. 2 (July 7, 2024): 70–81. Accessed June 26, 2026. https://banglajol.info/index.php/CeMeCJ/article/view/74415.