Kumar, Vinay. “Study of Intrathecal Dexmedetomidine and Fentanyl As an Supporting to Isobaric Levobupivacaine for Lower Limb Orthopaedic Surgery”. International Journal of Health and Clinical Research 3, no. 4 (August 31, 2020): 97–102. Accessed February 24, 2026. https://www.ijhcr.com/index.php/ijhcr/article/view/135.