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Air Pollution and Risk of Stroke: Underestimation of Effect Due to Misclassification of Time of Event Onset
BACKGROUND: Epidemiologic studies linking ambient air pollution to the onset of acute cardiovascular events often rely on date of hospital admission for exposure assessment. METHODS: We investigated the extent of exposure misclassification resulting from assigning exposure to PM(2.5) based on 1) dat...
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| Autors principals: | , , , , , , |
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| Format: | Artigo |
| Idioma: | Inglês |
| Publicat: |
2009
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| Matèries: | |
| Accés en línia: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2888684/ https://ncbi.nlm.nih.gov/pubmed/19244659 |
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