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Operational definitions of asthma in recent epidemiological studies are inconsistent
OBJECTIVE: The best combination of questions to define asthma in epidemiological asthma studies is not known. We summarized the operational definitions of asthma used in prevalence studies and empirically assess how asthma prevalence estimates vary depending on the definition used. METHODS: We searc...
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| 主要な著者: | , , , , , , , |
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| フォーマット: | Artigo |
| 言語: | Inglês |
| 出版事項: |
BioMed Central
2014
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| 主題: | |
| オンライン･アクセス: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4136946/ https://ncbi.nlm.nih.gov/pubmed/25136441 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/2045-7022-4-24 |
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