Study: AN EXPERIMENTAL STUDY OF THE EFFICACY OF GAUZE FACE MASKS

Posted bymothersfortruthPosted inCovid-19

Study: An experimental study fo the efficacy of gauze face masks
W. H. Kellogg, and Grace MacMillan
Date: January 1920
Published Online: August 30, 2011
Published in the American Journal of Public Health (AJPH)
https://ajph.aphapublications.org/doi/pdfplus/10.2105/AJPH.10.1.34

ajph.10.1.34Download

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