Face masks during the COVID-19 pandemic - Wikipedia
Effectiveness of Face Mask or Respirator Use in Indoor Public Settings for Prevention of SARS-CoV-2 Infection — California, February–December 2021
The real bacterial filtration efficiency to evaluate the effective protection of facemasks used for the prevention of respiratory diseases
A full-face mask for protection against respiratory infections, BioMedical Engineering OnLine
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Effectiveness of Face Mask or Respirator Use in Indoor Public, stop time telefone
Elastomeric respirators are safer and more sustainable alternatives to disposable N95 masks during the coronavirus outbreak, International Journal of Emergency Medicine
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4 Findings and Recommendations, Reusability of Facemasks During an Influenza Pandemic: Facing the Flu
A technical review of face mask wearing in preventing respiratory COVID-19 transmission - ScienceDirect
Still Confused About Masks? Here's the Science Behind How Face Masks Prevent Coronavirus
View of Effectiveness of manufactured surgical masks, respirators, and home-made masks in prevention of respiratory infection due to airborne microorganisms