Prabu, R Krishna, P Rani, and NP Madhu. “Comparison of Morphine and Fentanyl in Attenuation of Intra Operative Stress Response under General Anesthesia: A Randomized Double Blinded Study”. Asian Journal of Medical Sciences 5, no. 4 (May 17, 2014): 65–68. Accessed May 15, 2024. https://www.nepjol.info/index.php/AJMS/article/view/9796.