No abstract available
MeSH terms
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Adolescent
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Adult
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Communicable Disease Control / methods
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Communicable Disease Control / organization & administration
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Developed Countries
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Emigration and Immigration*
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Humans
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Incidence
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International Cooperation
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Mass Screening / methods
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Middle Aged
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North America / epidemiology
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Risk Factors
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Tuberculosis / prevention & control
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Tuberculosis / transmission*