๐ Effectiveness of Surgical and Cotton Masks in Blocking SARS-CoV-2: A Controlled Comparison in 4 Patients.
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author
๐ค Bae, Seongman
๐ค Kim, Min-Chul
๐ค Kim, Ji Yeun
๐ค Cha, Hye-Hee
๐ค Lim, Joon Seo
๐ค Jung, Jiwon
๐ค Kim, Min-Jae
๐ค Oh, Dong Kyu
๐ค Lee, Mi-Kyung
๐ค Choi, Seong-Ho
๐ค Sung, Minki
๐ค Hong, Sang-Bum
๐ค Chung, Jin-Won
๐ค Kim, Sung-Han
year
โฐ 2020
journal
๐ Ann Intern Med
issn
๐
volume
number
page
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0
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