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Short-term effects of multiple outdoor environmental factors on risk of asthma exacerbations: Age-stratified time-series analysis - ScienceDirect
![A. Our topic in this Healthful Living Course is about ASTHMA. Asthma is a chronic (long-term) lung disease that inflames and narrows the airways. The. - ppt download A. Our topic in this Healthful Living Course is about ASTHMA. Asthma is a chronic (long-term) lung disease that inflames and narrows the airways. The. - ppt download](https://images.slideplayer.com/19/5744889/slides/slide_7.jpg)
A. Our topic in this Healthful Living Course is about ASTHMA. Asthma is a chronic (long-term) lung disease that inflames and narrows the airways. The. - ppt download
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