PropertyValue
?:author
?:citation
?:datePublished
  • 2020-12-03 (xsd:date)
is ?:itemReviewed of
?:keywords
?:mentions
?:text
  • The first randomized controlled trial of more than 6,000 individuals to assess the effectiveness of surgical face masks against SARS-CoV-2 infection found masks did not statistically significantly reduce the incidence of infection. (en)
rdf:type