Shagufta Bhat, Tufail Ahmad Sheikh, Rajesh Angral, Heena Saini, and Anshuman Mahesh Chander, “A comparative evaluation of intraperitoneal instillation and periportal infiltration of 0.375% ropivacaine with dexmedetomidine and nalbuphine as adjuvants for post-operative analgesia in laparoscopic cholecystectomy”, Asian J Med Sci, vol. 14, no. 7, pp. 63–68, Jul. 2023.