Buchh, A., Gupta, K., Sharma, D., Anwar, U., Pandey, M. N., & Kalra, P. (2018). Comparative evaluation of fentanyl versus nalbuphine for attenuation of hemodynamic changes during airway stimulation. International Journal of Research in Medical Sciences, 6(2), 632–638. https://doi.org/10.18203/2320-6012.ijrms20180312