B. . Charan Shrestha, M. Adhikari, and A. . Timsina, “Comparative study of preoperative prophylactic antibiotic versus no antibiotic in patients undergoing elective laparoscopic cholecystectomy”, Birat J. Health Sci., vol. 9, no. 1, pp. 46–50, Apr. 2024, doi: 10.62065/bjhs546.