Vaatame lähemalt, mida ütlevad meile teaduslikud katsed ja uuringud maskide kohta.

Uuringud:
https://pubmed.ncbi.nlm.nih.gov/33087...
https://www.nature.com/articles/s4159...
https://academic.oup.com/cid/article/...
https://academic.oup.com/cid/article/...
https://journals.plos.org/plospathoge...
https://www.nejm.org/doi/full/10.1056...
https://www.healthaffairs.org/doi/10....
https://www.researchgate.net/publicat...
https://bmjopen.bmj.com/content/5/4/e...
https://pubmed.ncbi.nlm.nih.gov/16441...
https://europepmc.org/article/pmc/pmc...
https://www.ncbi.nlm.nih.gov/pmc/arti...

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Light-Gazing - Andrew Langdon