File:FACT- The prolonged use of medical masks when properly worn, DOES NOT cause CO2 intoxication nor oxygen deficiency (cropped).png

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FACT-_The_prolonged_use_of_medical_masks_when_properly_worn,_DOES_NOT_cause_CO2_intoxication_nor_oxygen_deficiency_(cropped).png ‎(364 × 179 pixels, file size: 24 KB, MIME type: image/png)

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Français : Masque chirurgical et femme portant un masque chirurgical
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Source File:FACT- The prolonged use of medical masks* when properly worn, DOES NOT cause CO2 intoxication nor oxygen deficiency.png from Wikimedia Commons
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current08:15, 16 February 2021Thumbnail for version as of 08:15, 16 February 2021364 × 179 (24 KB)Cantons-de-l'Est (talk | contribs)Uploaded a work by * WHO-openaccess (WHO original PNG file) * Cantons-de-l'Est (image cropping) from File:FACT- The prolonged use of medical masks when properly worn, DOES NOT cause CO2 intoxication nor oxygen deficiency.png from Wikimedia Commons with UploadWizard

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