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Cotinine versus questionnaire: early-life environmental tobacco smoke exposure and incident asthma
BACKGROUND: The use of biomarkers has expanded considerably, as an alternative to questionnaire-based metrics of environmental tobacco smoke (ETS); few studies have assessed the affect of such alternative metrics on diverse respiratory outcomes in children, and we aimed to do so. METHODS: We evaluat...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2012
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3543177/ https://www.ncbi.nlm.nih.gov/pubmed/23216797 http://dx.doi.org/10.1186/1471-2431-12-187 |