Kumar, Atit, Prashant Kumar Mishra, and Saurabh Shukla. “A Randomized, Controlled Study to Compare the Effects of Intravenous Labetalol and Esmolol on Haemodynamic Changes During Laryngoscopy and Intubation”. International Journal of Research in Medical Sciences 5, no. 9 (August 26, 2017): 4003–4007. Accessed October 14, 2025. https://www.msjonline.org/index.php/ijrms/article/view/3652.