3 ms·

https://www.mpg.de/17916867/coronavirus-masks-risk-protection https://www.mpg.de/17916867/coronavirus-masks-risk-protectio... https://pubmed.ncbi.nlm.nih.gov/8

• egberts1 3y ago
  First link is an article that merely summarize following link. Not exactly the peer-reviewable source. Second link also has zero “actionable” citation and scarily so, has a paltry 84 citations-by. Making this actionless, “citation-free” paper an even terrible source. Sole reference: https://www.pnas.org/syndication/doi/10.1073/pnas.2110117118 https://www.pnas.org/syndication/doi/10.1073/pnas.2110117118