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‫منابع‬

 https://www.ncbi.nlm.nih.gov/pubmed/24229526
 https://www.who.int/emergencies/diseases/novel-coronavirus-2019/advice-

for-public/when-and-how-to-use-masks

 https://www.cdc.gov/mmwr/volumes/69/wr/mm6914e1.htm?s_cid=mm6914e1_w

#contribAff

 https://www.nature.com/articles/s41598-019-38808-z
 https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/diy-cloth-

face-coverings.html

 https://www.forbes.com/sites/tarahaelle/2020/04/01/should-everyone-wear-

a-mask-in-public-maybe-but-its-complicated/#7a3e5464a02f

 https://www.cambridge.org/core/services/aop-cambridge-

core/content/view/
0921A05A69A9419C862FA2F35F819D55/S1935789313000438a.pdf/testing_the_ef
ficacy_of_homemade_masks_would_they_protect_in_an_influenza_pandemic.pdf

 https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/diy-cloth-
face-coverings.html

 https://www.cambridge.org/core/services/aop-cambridge-
core/content/view/0921A05A69A9419C862FA2F35F819D55/S1935789313000438
a.pdf/testing_the_efficacy_of_homemade_masks_would_they_protect_in_an_influe
nza_pandemic.pdf