J. D. Y, R. Porika, and K. Sudha, “Comparision Of Esmolol and Labetalol In Low Doses For Attenuation Of Sympathomimetic Response To Laryngoscopy And Intubation”, Int. J. Heal. Clin. Res., vol. 4, no. 6, pp. 194–199, Apr. 2021.