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Passive smoking, salivary cotinine concentrations, and middle ear effusion in 7 year old children.
OBJECTIVE--To assess the contribution of passive exposure to tobacco smoke to the development of middle ear underpressure and effusion. DESIGN--Cross sectional observational study. SETTING--One third of the primary schools in Edinburgh. SUBJECTS--892 Children aged 6 1/2 to 7 1/2 were examined, and s...
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| Главные авторы: | , , |
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| Формат: | Artigo |
| Язык: | Inglês |
| Опубликовано: |
1989
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| Предметы: | |
| Online-ссылка: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1836817/ https://ncbi.nlm.nih.gov/pubmed/2503113 |
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