Endotracheal Tube Insertion Conditions - Comparison Between Topical and Intravenous  Lignocaine with Ketamine. Medical Forum Monthly, [S. l.], v. 37, n. 2, 2026. DOI: 10.60110/medforum.370213. Disponível em: http://medicalforummonthly.com/index.php/mfm/article/view/5592.. Acesso em: 12 oct. 2026.