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Amazon.com: LotFancy NIOSH N95 Mask, 10PCS Particulate Respirator with Breathing Valve, N95 Face Mask for Construction, Cleaning, Disposable Air Filter Masks against Dust, Pollution, Particle, Smoke,White : Clothing, Shoes & Jewelry
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Engineers design a reusable, silicone rubber face mask | MIT News | Massachusetts Institute of Technology
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Use of Thin Dressings Under N95 Respirators: Exploring Their Effect on Quantitative Fit Testing Results to Guide Hospital Practice During the COVID-19 Pandemic
Comparing the fit of N95, KN95, surgical, and cloth face masks and assessing the accuracy of fit checking | PLOS ONE
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