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Respiratory symptoms in Manitoba farmers: association with grain and hay handling.
Of a random sample of farmers in two crop districts of Manitoba mailed a respiratory questionnaire in 1976, 833 (82% of those currently farming in the area) replied. More than half were grain farmers and nearly half had never smoked cigarettes. The prevalence of chronic cough and phlegm production,...
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| Main Authors: | , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
1980
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1802054/ https://ncbi.nlm.nih.gov/pubmed/7388722 |
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