Giri, Prakriti, and Jigish Ruparelia. “Pregabalin and Intravenous Lidocaine for Management of Postoperative Pain and Surgical Stress Response in Elective Laparotomies: A Double Blind Randomised Controlled Trial: Pregabalin and IV Lidocaine for Postoperative Pain”. Journal of Patan Academy of Health Sciences, vol. 8, no. 3, Jan. 2022, pp. 69-78, https://jpahs.edu.np/index.php/jpahs/article/view/272.