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Validity of a questionnaire-based diagnosis of chronic obstructive pulmonary disease in a general population-based study
BACKGROUND: The diagnosis of chronic obstructive pulmonary disease (COPD) is based on airflow obstruction. In epidemiological studies, spirometric data have often been lacking and researchers have had to rely almost solely on questionnaire answers. The aim of this study is to assess the diagnostic a...
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| Main Authors: | , , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
BioMed Central
2014
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3994476/ https://ncbi.nlm.nih.gov/pubmed/24650114 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1471-2466-14-49 |
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