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View of Effectiveness of manufactured surgical masks, respirators, and home-made masks in prevention of respiratory infection due to airborne microorganisms

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Efficacy of masks and face coverings in controlling outward aerosol particle emission from expiratory activities

Effectiveness of Face Mask or Respirator Use in Indoor Public, stop time telefone

The face mask global value chain in the COVID-19 outbreak: Evidence and policy lessons

Testing the Efficacy of Homemade Masks: Would They Protect in an Influenza Pandemic?, Disaster Medicine and Public Health Preparedness

CCOHS: Masks for Protection from Respiratory Infectious Diseases

Elastomeric respirators are safer and more sustainable alternatives to disposable N95 masks during the coronavirus outbreak, International Journal of Emergency Medicine

The protective performance of reusable cloth face masks, disposable procedure masks, KN95 masks and N95 respirators: Filtration and total inward leakage

A technical review of face mask wearing in preventing respiratory COVID-19 transmission - ScienceDirect

A full-face mask for protection against respiratory infections, BioMedical Engineering OnLine

In response to COVID-19: A technique to improve the viral protection of a dental procedure mask in absence of an N95 shield respirator