Face masks considerably reduce COVID-19 cases in Germany | PNAS
38 Best Face Masks for Every Kind of Traveler | Condé Nast Traveler
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The overlooked role of a biotin precursor for marine bacteria - desthiobiotin as an escape route for biotin auxotrophy | The ISME Journal
The Case Against Masks at School - The Atlantic
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3M Doubled Production of N95 Face Masks to Fight Coronavirus - Bloomberg
Fighting the coronavirus with fabric and paper towels | Max-Planck-Gesellschaft
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Maximizing Fit for Cloth and Medical Procedure Masks to Improve Performance and Reduce SARS-CoV-2 Transmission and Exposure, 2021 | MMWR
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The Mask of Agamemnon: An Example of Electroformed Reproduction of Artworks Made by E. Gilliéron in the Early Twentieth Century | The Metropolitan Museum of Art
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Will one-way masking protect you from COVID in public spaces? : Goats and Soda : NPR
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