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Prevalence of respiratory symptoms at two time points in a population of children in Manchester—a cohort study
OBJECTIVE: Although the prevalence of asthma and atopy has been noted to have increased in recent decades, patterns of asthma prevalence have, traditionally, been difficult to track. Most reports on trends in childhood asthma have been cross-sectional measuring the prevalence in cohorts of similar a...
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| Main Authors: | , , , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
BMJ Publishing Group
2012
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3488710/ https://ncbi.nlm.nih.gov/pubmed/23065449 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1136/bmjopen-2012-001485 |
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