GONZÁLEZ VERA, R. . . Carta al Editor. Neumología Pediátrica, [S. l.], v. 16, n. 3, p. 132–133, 2021. DOI: 10.51451/np.v16i3.446. Disponível em: https://neumologia-pediatrica.cl/index.php/NP/article/view/446. Acesso em: 20 oct. 2021.