SCHOLKMANN, F. Particles and fragments in unused disposable face masks: A microscopic analysis. International Journal of Occupational Safety and Health, [S. l.], v. 12, n. 4, p. 257–263, 2022. DOI: 10.3126/ijosh.v12i4.44903. Disponível em: https://www.nepjol.info/index.php/IJOSH/article/view/44903. Acesso em: 7 may. 2024.