Koju, R. B., and Y. Dongol. “Comparative Effects of Lidocaine and Esmolol in Attenuating the Hemodynamic Response to Laryngoscopy and Intubation”. Journal of Society of Surgeons of Nepal, vol. 17, no. 2, Apr. 2017, pp. 23-30, doi:10.3126/jssn.v17i2.17144.