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Size-Dependent Filtration Efficiency of Alternative Facemask Filter Materials.
Materials (Basel). 2021 Apr 9;14(8):1868. doi: 10.3390/ma14081868.
Materials (Basel). 2021.
PMID: 33918714
Free PMC article.
Protection levels of N95-level respirator substitutes proposed during the COVID-19 pandemic: safety concerns and quantitative evaluation procedures.
Ballard DH, Dang AJ, Kumfer BM, Weisensee PB, Meacham JM, Scott AR, Ruppert-Stroescu M, Burke BA, Morris J, Gan C, Hu J, King B, Jammalamadaka U, Sayood S, Liang S, Choudhary S, Dhanraj D, Maranhao B, Millar C, Bertroche JT, Shomer N, Woodard PK, Biswas P, Axelbaum R, Genin G, Williams BJ, Meacham K.
Ballard DH, et al.
BMJ Open. 2021 Sep 2;11(9):e045557. doi: 10.1136/bmjopen-2020-045557.
BMJ Open. 2021.
PMID: 34475144
Free PMC article.
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