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

Year Number of Results
2013 1
2014 1
2015 2
2016 1
2018 1
2019 1
2021 3
2022 0
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Page 1
Impacts of the COVID-19 economic slowdown on ozone pollution in the U.S.
Campbell PC, Tong D, Tang Y, Baker B, Lee P, Saylor R, Stein A, Ma S, Lamsal L, Qu Z. Campbell PC, et al. Among authors: lee p. Atmos Environ (1994). 2021 Nov 1;264:118713. doi: 10.1016/j.atmosenv.2021.118713. Epub 2021 Sep 4. Atmos Environ (1994). 2021. PMID: 34522157 Free PMC article.
Satellite-Based Daily PM2.5 Estimates During Fire Seasons in Colorado.
Geng G, Murray NL, Tong D, Fu JS, Hu X, Lee P, Meng X, Chang HH, Liu Y. Geng G, et al. Among authors: lee p. J Geophys Res Atmos. 2018 Aug 16;123(15):8159-8171. doi: 10.1029/2018JD028573. Epub 2018 Jul 13. J Geophys Res Atmos. 2018. PMID: 31289705 Free PMC article.