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. 2023 May 10;16:529–540. doi: 10.2147/JAA.S405929

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© 2023 Zhang et al.

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Forest plots of changes in PEF, FVC, FEV1 per 10 ug/m³ increase in PM2.5 level.

Notes: The summary estimate for PEF was calculated using a random-effects meta-analysis. The summary estimates for FVC, FEV1 were calculated using a fixed-effects meta-analysis.