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Bronchial hyperresponsiveness in young students of southern China: relation to respiratory symptoms, diagnosed asthma, and risk factors.
A cross sectional study was carried out to determine the prevalence of bronchial hyperresponsiveness and asthma in 3067 students aged 11-17 years in an urban and a rural area of Guangzhou (Canton), China. The methods used included a self administered questionnaire, a histamine bronchial provocation...
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| Main Authors: | , , , , , |
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| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
1990
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC462784/ https://ncbi.nlm.nih.gov/pubmed/2256015 |
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