Effect of Labetalol-Fentanyl and Fentanyl alone for attenuating pressure responses to intubation and skull pin insertion in neurosurgery: A Comparative study. Journal of the Bangladesh Society of Anaesthesiologists, [S. l.], v. 34, n. 2, p. 36–43, 2021. DOI: 10.3329/jbsa.v34i2.67749. Disponível em: https://banglajol.info/index.php/JBSA/article/view/67749. Acesso em: 29 jun. 2026.