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Low-cost measurement of face mask efficacy for filtering expelled droplets during speech

July 9, 2021 by txadmin
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https://advances.sciencemag.org/content/6/36/eabd3083


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Tags: Articles, Masks, Research
Categories Articles, Masks, Research
COVID-19 Science Update released: July 7, 2020 Edition 28
RETRACTED: Hydroxychloroquine or chloroquine with or without a macrolide for treatment of COVID-19: a multinational registry analysis

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