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Relationship between socioeconomic status and asthma: a longitudinal cohort study
Background: There is conflicting information about the relationship between asthma and socioeconomic status, with different studies reporting no, positive, or inverse associations. Most of these studies have been cross sectional in design and have relied on subjective markers of asthma such as sympt...
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| Главные авторы: | , , , , , , , , , |
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| Формат: | Artigo |
| Язык: | Inglês |
| Опубликовано: |
BMJ Group
2004
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| Предметы: | |
| Online-ссылка: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1747001/ https://ncbi.nlm.nih.gov/pubmed/15115861 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/thx.2003.010363 |
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