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Keyword
- preterm birth[remove]3
- air pollution2
- PM2.51
- birth weight1
- case-crossover design1
- discrete time survival mode1
- discrete-time frame survival model1
- full-term birth1
- gestational exposure window1
- logistic regression1
- meta-analysis1
- pregnancy1
- quantile regression1
- time-series analysis1
- time-varying environmental hazard1