Study Comparing Surgical and N95 Masks Sparks Concern
Experts have identified shortcomings in a study that suggests that surgical masks are not inferior to N95 masks for protecting healthcare workers against COVID-19.
Medscape Medical News
source https://www.medscape.com/viewarticle/984992?src=rss
Medscape Medical News
source https://www.medscape.com/viewarticle/984992?src=rss
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