G., R., & Reddy, S. M. (2019). Oral clonidine versus intravenous fentanyl in attenuation of hemodynamic responses to larngoscopy and endotracheal intubation: a comparative study. International Journal of Advances in Medicine, 6(3), 623–627. https://doi.org/10.18203/2349-3933.ijam20191475