No abstract available
MeSH terms
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Adult
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Female
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Humans
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Male
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Middle Aged
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Occupational Diseases / economics*
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Occupational Diseases / prevention & control
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Occupational Health Services / economics*
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Occupational Health Services / organization & administration
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Occupational Health Services / standards
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Occupational Medicine / economics*
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Occupational Medicine / standards
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Pensions
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Retirement / economics
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USSR