Archives of Epidemiology
ISSN: 2577-2252
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research article
![The Relationship between Pollen, Air Pollution and Asthma Exacerbations in Children in Allegheny County, Pennsylvania: A Case-Crossover Analysis](https://www.gavinpublishers.com/admin/assets/article_banner/1611145709article_image191346503.jpg)
The Relationship between Pollen, Air Pollution and Asthma Exacerbations in Children in Allegheny County, Pennsylvania: A Case-Crossover Analysis
Sarah DePerrior, Judith R Rager, Deborah Gentile, Evelyn O Talbott*
Archives of Epidemiology