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Modifying Effect of Age on the Association between Ambient Ozone and Nighttime Primary Care Visits Due to Asthma Attack
BACKGROUND: We examined the association between short-term exposure to outdoor air pollution and nighttime primary care visits due to asthma attack. We also investigated the modifying effects of age on this association. METHODS: A case–crossover study was conducted at a primary care clinic in metrop...
Autores principales: | , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Japan Epidemiological Association
2009
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3924139/ https://www.ncbi.nlm.nih.gov/pubmed/19398846 http://dx.doi.org/10.2188/jea.JE20081025 |