No abstract available
Keywords:
Cross-Sectional Studies; Dust; Occupational Health; Respiratory Function Tests; Silicosis.
Publication types
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Letter
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Research Support, Non-U.S. Gov't
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Comment
MeSH terms
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Demography
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Dust
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Humans
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Occupational Exposure* / adverse effects
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Occupational Exposure* / analysis
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Registries
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Silicon Dioxide
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Silicosis* / epidemiology