“Effect of Labetalol-Fentanyl and Fentanyl Alone for Attenuating Pressure Responses to Intubation and Skull Pin Insertion in Neurosurgery: A Comparative Study”. 2021. Journal of the Bangladesh Society of Anaesthesiologists 34 (2): 36-43. https://doi.org/10.3329/jbsa.v34i2.67749.