Comparative study of oral clonidine and oral gabapentin in attenuation of pressor response to direct laryngoscopy and tracheal intubation. International Journal of Biomedical Research, [S. l.], v. 9, n. 1, p. 49–53, 2018. DOI: 10.7439/ijbr.v9i1.4598. Disponível em: https://ssjournals.co.in/index.php/ijbr/article/view/4598. Acesso em: 29 mar. 2026.