Anjum, S., S. S. Chhiber, M. Khan, Z. Ali, and T. Khan. “A Prospective Randomized Controlled Trial Comparing the Effects of Dexmedetomidine and Fentanyl on Attenuation of Pressor Response During Laryngoscopy and Intubation in Neurosurgical Patients”. International Journal of Research in Medical Sciences, vol. 7, no. 9, Aug. 2019, pp. 3246-50, doi:10.18203/2320-6012.ijrms20193615.