Sowmya Madihalli Janardhan Iyengar, Shankar Kantharaju, and Shubha Mysore Ramesh. 2023. “Efficacy of Intraoperative Subanaesthetic Dose of Ketamine on Post-Operative Analgesia for Patients Undergoing Single Level Lumbar Discectomy under General Anesthesia: A Placebo Control Randomized Clinical Study”. Asian Journal of Medical Sciences 14 (11):53-59. https://doi.org/10.3126/ajms.v14i11.56489.