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Temporal change in the prevalence of respiratory symptoms and obstructive airways disease 1993–2001
BACKGROUND: There has been little available information regarding secular changes in the prevalence of respiratory symptoms since the mid-1990s. AIM: To examine changes in the prevalence of respiratory symptoms for 1993–2001. DESIGN OF STUDY: A series of postal questionnaire surveys. SETTING: Two ge...
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| Main Authors: | , , , , , , |
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| Formato: | Artigo |
| Idioma: | English |
| Publicado em: |
Oxford University Press
2005
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1463220/ https://ncbi.nlm.nih.gov/pubmed/16105367 |
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