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A comment on Low-cost measurement of facemask efficacy for filtering expelled droplets. Parent comment
A cluster randomised trial of cloth masks compared with medical masks in healthcare workers
Not only is your presentation of its results in bad faith, you rely on people not reading the article.
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A cluster randomised trial of cloth masks compared with medical masks in healthcare workers
Not only is your presentation of its results in bad faith, you rely on people not reading the article.