Attenuation of hemodynamic responses to endotracheal extubation: A prospective randomised controlled study between two different doses of Verapamil. International Journal of Biomedical Research, [S. l.], v. 4, n. 12, p. 663–669, 2013. DOI: 10.7439/ijbr.v4i12.383. Disponível em: https://ssjournals.co.in/index.php/ijbr/article/view/906. Acesso em: 9 mar. 2026.