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Quantitative Method for Comparative Assessment of Particle Removal Efficiency of Fabric Masks as Alternatives to Standard Surgical Masks for PPE - ScienceDirect
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Making your own mask? Researchers say some fabrics can filter nearly as well as an N95 - The Boston Globe
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Physical distancing, face masks, and eye protection to prevent person-to-person transmission of SARS-CoV-2 and COVID-19: a systematic review and meta-analysis - The Lancet
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Read my lips: Transparent COVID face masks to ease the communication barrier in Hong Kong | Euronews
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Study Indicates That Humidity in Breath Makes Cotton Masks More Effective at Slowing the Spread of COVID-19 | NIST
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