Thapa, Sagun Bahadur, Yeshwant Ramakrishna Kher, and Yashwant Gajanan Tambay. 2017. “Single Dose Intraoperative Antibiotics Versus Postoperative Antibiotics for Patient Undergoing Laparoscopic Cholecystectomy for Symptomatic Cholelithiasis: A Randomized Clinical Trial”. Journal of Lumbini Medical College 5 (1):13-17. https://nepjol.info/index.php/JLMC/article/view/17680.