Thapa, Ajay Singh, and Rajesh K Yadav. “Efficacy of Pregabalin As Preemptive Analgesic in Laparoscopic Cholecystectomy”. Birat Journal of Health Sciences 5, no. 3 (December 30, 2020): 1166–1170. Accessed January 18, 2025. https://nepjol.info/index.php/bjhs/article/view/33687.