Prasad, J. N., S. N. Singh, S. P. Sah, K. Guddy, and D. P. Sarraf. “Effect of Oral Clonidine Premedication on Hemodynamic Stress Response to Laryngoscopy and Tracheal Intubation”. Birat Journal of Health Sciences, vol. 7, no. 3, Dec. 2022, pp. 1887-91, doi:10.3126/bjhs.v7i3.52764.