A prospective observational study to predict difficult intubation using simple non-invasive tests. International Journal of Biomedical and Advance Research, [S. l.], v. 8, n. 8, p. 318–320, 2017. DOI: 10.7439/ijbar.v8i8.4355. Disponível em: https://ssjournals.co.in/index.php/ijbar/article/view/4355. Acesso em: 13 mar. 2025.