No abstract available
Keywords:
asthma; epidemiology; occupational allergies; prevention.
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Asthma, Occupational* / diagnosis
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Asthma, Occupational* / epidemiology
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Canada
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Humans
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Hypersensitivity*
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Occupational Diseases*
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Occupational Exposure* / adverse effects