YENNY, Y.; HERWANA, E.; WRATSANGKA, R. Mandatory universal use of cloth mask for prevention of coronavirus disease 2019 transmission. Universa Medicina, [S. l.], v. 40, n. 1, p. 57–68, 2021. DOI: 10.18051/UnivMed.2021.v40.57-68. Disponível em: https://univmed.org/ejurnal/index.php/medicina/article/view/1054. Acesso em: 18 jul. 2024.