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Clarification on face mask types, architecture, quality, handling, test and certification procedures – Swiss National COVID-19 Science Task Force
Will a Mask Protect Me on an Airplane if Nobody Else Is Wearing One? - The New York Times
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Meet the U.S. scientist who invented the N95 mask filter - U.S. Embassy in Georgia
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Face coverings, N95 masks and surgical masks: Who they're for and how to use them - CNET
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3M Doubled Production of N95 Face Masks to Fight Coronavirus - Bloomberg
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Distribution of low quality filtering facepiece respirators during the COVID-19 pandemic: an independent analysis of the situation in Switzerland | Swiss Medical Weekly
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Healthcare | Free Full-Text | Quadrupling the N95 Supply during the COVID-19 Crisis with an Innovative 3D-Printed Mask Adaptor
Two masks can be worse than one: N95 respirator failure caused by an overlying face mask | Infection Control & Hospital Epidemiology | Cambridge Core
