S. Mondal, H. Mondal, R. Sarkar, and M. Rahaman, “Comparison of dexmedetomidine and clonidine for attenuation of sympathoadrenal responses and anesthetic requirements to laryngoscopy and endotracheal intubation”, Int J Basic Clin Pharmacol, vol. 3, no. 3, pp. 501–506, Jan. 2017.