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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1960 1
1964 1
1972 2
1981 2
1984 3
1988 4
1990 11
1991 3
1992 4
1993 3
1994 16
1995 14
1996 14
1997 17
1998 16
1999 15
2000 31
2001 29
2002 32
2003 34
2004 47
2005 52
2006 56
2007 56
2008 107
2009 100
2010 130
2011 132
2012 166
2013 204
2014 195
2015 238
2016 263
2017 292
2018 322
2019 317
2020 410
2021 263
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Publication date

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3,183 results
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Page 1
Face Masks in the New COVID-19 Normal: Materials, Testing, and Perspectives.
Chua MH, Cheng W, Goh SS, Kong J, Li B, Lim JYC, Mao L, Wang S, Xue K, Yang L, Ye E, Zhang K, Cheong WCD, Tan BH, Li Z, Tan BH, Loh XJ. Chua MH, et al. Among authors: mao l. Research (Wash D C). 2020 Aug 7;2020:7286735. doi: 10.34133/2020/7286735. eCollection 2020. Research (Wash D C). 2020. PMID: 32832908 Free PMC article. Review.
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