No abstract available
Keywords:
additive interaction; rheumatoid arthritis; silica; smoking.
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Arthritis, Rheumatoid / etiology*
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Humans
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Male
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Occupational Exposure / adverse effects
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Silicon Dioxide / toxicity*
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Smoking / adverse effects*
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Smoking Cessation*
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Time Factors