RAMAKRISHNAN, Devraj. COVID-19 and Face Masks – To Use or Not to Use!. Indian Journal of Community Health, [S. l.], v. 32, n. 2 (Supp), p. 240–243, 2020. DOI: 10.47203/IJCH.2020.v32i02SUPP.012. Disponível em: https://www.iapsmupuk.org/journal/index.php/IJCH/article/view/1457. Acesso em: 25 apr. 2024.