Ray, A. K., Lahkar, B., Sen, T., & Bharali, H. (2018). Efficacy of esmolol and magnesium sulphate in attenuation of haemodynamic response during laryngoscopy and intubation: a clinical comparative study. International Journal of Research in Medical Sciences, 6(6), 1986–1991. https://doi.org/10.18203/2320-6012.ijrms20182274