Sangeetha, R. P., & Ramachandraiah, R. (2018). Evaluation of the Effect of Preemptive Oral Pregabalin in the Attenuation of Cardiovascular Response to Direct Laryngoscopy and Endotracheal Intubation during General Anesthesia: A Randomized Placebo-Controlled Trial. Karnataka Anaesthesia Journal, 16(3-4), 58–65. https://doi.org/10.4103/kaj/2018/v16i3-4/157768