Fig. 1
The excess risk and 95% confidence intervals of the hospital admissions for COPD associated for per IQR increase in the five-exposure metrics of ambient PM2.5 at different lag periods.
Fig. 1 | Scientific Reports
The excess risk and 95% confidence intervals of the hospital admissions for COPD associated for per IQR increase in the five-exposure metrics of ambient PM2.5 at different lag periods.
