Sowmya Madihalli Janardhan Iyengar, Shankar Kantharaju, Shubha Mysore Ramesh. 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 J Med Sci [Internet]. 2023 Nov. 1 [cited 2024 Jul. 17];14(11):53-9. Available from: https://nepjol.info/index.php/AJMS/article/view/56489