“Reduction of postoperative pain after infiltration of local anesthetic at the port site and subdiaphragmatic space in laparoscopic cholecystectomy: A cross-sectional study”, J. Soc. Surg. Nepal, vol. 25, no. 2, pp. 53–57, Dec. 2022, doi: 10.3126/jssn.v25i2.50828.