A. Banu, J. S. . Rajpurohit, and Y. Tarani, “A Hospital Based Comparative Study to Evaluate the Efficacy of 150 Mgs of Oral Pregabalin and 6 Mg Oral Melatonin Used as Premedication to Attenuate Stress Response and Haemodynamic Responses in Cholecystectomy for Laparoscopic Surgery”, Int. J. Heal. Clin. Res., vol. 4, no. 6, pp. 283–287, Apr. 2021.