File:Efficacy of Face Shields Against Cough Aerosol Droplets from a Cough Simulator.webm
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Efficacy_of_Face_Shields_Against_Cough_Aerosol_Droplets_from_a_Cough_Simulator.webm (file size: 46.91 MB, MIME type: video/webm)
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current | 17:59, 2 November 2016 | (46.91 MB) | imagescommonswiki>James Hare (NIOSH) | Higher quality version |
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