A Randomized Double Blind Comparative Study of Intravenous Magnesium Sulphate and Intravenous Lignocaine for Attenuation of Haemodynamic Response to Laryngoscopy and Tracheal Intubation - Penke S.V. Ramarao; T. Ramesh Kumar; D. Venkatesh (Academia Anesthesiologica International, 2021)