Madiha Shadab, Shafqat Arfin, and Rekha Kumari. “A Study to Evaluate the Effects of Single Dose of Intravenous Dexmedetomidine on Hyperbaric Bupivacaine”. International Journal of Health and Clinical Research, vol. 4, no. 17, Oct. 2021, pp. 55-57, https://ijhcr.com/index.php/ijhcr/article/view/2763.