More Masque linkspam

https://www.fast.ai/2020/04/20/skeptics-masks/

https://www.wbur.org/commonhealth/2020/04/23/brigham-and-womens-masks-infections

https://www.cochranelibrary.com/cca/doi/10.1002/cca.2965/full

https://onlinelibrary.wiley.com/doi/full/10.1111/risa.13181

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2440799/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3591312/

https://www.thelancet.com/journals/lanres/article/PIIS2213-2600(20)30134-X/fulltext

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6993921/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3810906/

https://pubmed.ncbi.nlm.nih.gov/9487666/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2821845/

https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3567438