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. 2020 Oct 23;15:2653–2662. doi: 10.2147/COPD.S270762

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© 2020 Zou et al.

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Effect of PM2.5 on viability of the HBECs.

Notes: CCK8 assay showed that the cell viability did not significantly change after 24 h of PM2.5 (5–20μg/mL) exposure, but the cell viability were significantly declined at PM2.5 treatment of 40 μg/mL. ^#P<0.05, versus PM2.5 group, n=3.

Abbreviation: PM2.5, particulate matter<2.5 μm.