G., Rukmini, and Srinivas M. Reddy. “Oral Clonidine Versus Intravenous Fentanyl in Attenuation of Hemodynamic Responses to Larngoscopy and Endotracheal Intubation: A Comparative Study”. International Journal of Advances in Medicine 6, no. 3 (May 24, 2019): 623–627. Accessed April 18, 2026. https://www.ijmedicine.com/index.php/ijam/article/view/1683.