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Association between Household Income and Asthma Symptoms among Elementary School Children in Seoul
OBJECTIVES: This study examined the association between socioeconomic factors and asthma symptoms. METHODS: A total of 6,919 elementary school children in Seoul were enrolled in the study. Data were obtained from a web-based questionnaire survey. The questionnaire was based on the International Stud...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Korean Society of Environmental Health and Toxicology
2012
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3524452/ https://www.ncbi.nlm.nih.gov/pubmed/23256089 http://dx.doi.org/10.5620/eht.2012.27.e2012020 |