ESQUEFF DÍAZ, Norberto. MASKNE un reto en tiempos de COVID-19. Medimay, [S. l.], v. 28, n. 2, p. 297–300, 2021. Disponível em: https://revcmhabana.sld.cu/index.php/rcmh/article/view/1938. Acesso em: 13 mar. 2025.