Comparison of Positive Predictive value of Mallampati Test and Upper lip Bite test in Association with difficult intubation. Pakistan Journal of Medical & Cardiological Review, [S. l.], v. 5, n. 1, p. 4211–4218, 2026. Disponível em: https://pakjmcr.com/index.php/1/article/view/1717. Acesso em: 2 sep. 2026.