M., Rajabhushanam, Sunil Kumar K., Syed Ali Aasim, and Venkatesh S. “A Comparative Study of Low Doses of Intrathecal Ketamine and Midazolam With Bupivacaine for Postoperative Analgesia in Infraumbilical Surgeries”. International Journal of Advances in Medicine 6, no. 2 (March 25, 2019): 197–200. Accessed December 28, 2025. https://www.ijmedicine.com/index.php/ijam/article/view/1569.