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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. Among authors: hu j. BMJ Open. 2021 Sep 2;11(9):e045557. doi: 10.1136/bmjopen-2020-045557. BMJ Open. 2021. PMID: 34475144 Free PMC article.
Safety concerns for facial topography customized 3D-printed N95 filtering face-piece respirator produced for the COVID-19 pandemic: initial step is respiratory fit testing.
Scott AR, Hu J, Gan C, Morris JA, Meacham KW, Ballard DH. Scott AR, et al. Among authors: hu j. Int J Oral Maxillofac Surg. 2020 Dec;49(12):1660-1661. doi: 10.1016/j.ijom.2020.08.017. Epub 2020 Sep 14. Int J Oral Maxillofac Surg. 2020. PMID: 32962882 Free PMC article. No abstract available.
Quantitative Fit Tested N95 Respirator-Alternatives Generated With CT Imaging and 3D Printing: A Response to Potential Shortages During the COVID-19 Pandemic.
Ballard DH, Jammalamadaka U, Meacham KW, Hoegger MJ, Burke BA, Morris JA, Scott AR, O'Connor Z, Gan C, Hu J, Tappa K, Wahl RL, Woodard PK. Ballard DH, et al. Among authors: hu j. Acad Radiol. 2021 Feb;28(2):158-165. doi: 10.1016/j.acra.2020.11.005. Epub 2020 Nov 21. Acad Radiol. 2021. PMID: 33257256 Free PMC article.
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