ARSLAN, M.; YAVUZ, C. A practical method to improve preoxygenation: Using the APL valve . Annals of Medical Research, [S. l.], v. 27, n. 1, p. 0034–0037, 2021. Disponível em: http://annalsmedres.org/index.php/aomr/article/view/590. Acesso em: 22 jul. 2024.