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The efficacy of face masks.
Photographs of smoke particles expelled by coughing showed that the filtration type of face mask effectively prevents them from spreading far from the wearer.
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| Main Authors: | , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Royal College of Surgeons of England
1983
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2494432/ https://ncbi.nlm.nih.gov/pubmed/6638854 |
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