From: https://slatestarcodex.com/2020/03/23/face-masks-much-more-than-you-wanted-to-know/
- https://drive.google.com/file/d/14tGJF9tdv4osPhY1-fswLcSlWZJ9zx45/view?fbclid=IwAR0qDDOK5dzri10VSjN5caExycAVScfOpsZcC19_uaZxsBG-W-jJMOd5XS0
- https://www.ijidonline.com/article/S1201-9712(16)31010-4/fulltext
- https://www.sciencedirect.com/science/article/pii/S2211335516301553?via%3Dihub
- https://www.thingiverse.com/thing:4167649
- https://medium.com/@matthiassamwald/promoting-simple-do-it-yourself-masks-an-urgent-intervention-for-covid-19-mitigation-14da4100f429
- https://www.doh.wa.gov/Portals/1/Documents/8340/970-216-Disinfect-en-L.pdf
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6993921/
- http://blog.simplejustice.us/2008/10/26/from-laptops-to-letters-beware-the-border-search/ - "remembering the rubric while forgetting the rationale"
- https://smartairfilters.com/en/blog/n95-mask-surgical-prevent-transmission-coronavirus/?rel=1
- https://en.wikipedia.org/wiki/Virus_quantification#Plaque_assay
- https://en.wikipedia.org/wiki/John_Scott_Haldane
- https://en.wikipedia.org/wiki/Variolation
- https://pubmed.ncbi.nlm.nih.gov/16356862/
- https://www.researchgate.net/publication/258525804_Testing_the_Efficacy_of_Homemade_Masks_Would_They_Protect_in_an_Influenza_Pandemic
- https://zhuanlan.zhihu.com/p/114129365
- https://ccforum.biomedcentral.com/articles/10.1186/s13054-019-2566-7
- https://stanfordmedicine.app.box.com/v/covid19-PPE-1-1
- https://www.researchgate.net/publication/258525804_Testing_the_Efficacy_of_Homemade_Masks_Would_They_Protect_in_an_Influenza_Pandemic
- https://www.ncbi.nlm.nih.gov/pubmed/24229526
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3004550/
- https://pubmed.ncbi.nlm.nih.gov/30229968/
- 10.1111/risa.13181
- https://medium.com/@llebttam_45762/masks-work-wear-them-b450ac9f3b7d