No abstract available
MeSH terms
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Child
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Emigration and Immigration*
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Female
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Health Education
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Humans
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Incidence
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Male
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Maryland / epidemiology
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Mass Screening* / methods
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Public Health
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Retrospective Studies
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School Health Services / organization & administration*
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Students / statistics & numerical data
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Tuberculin Test
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Tuberculosis, Pulmonary / economics
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Tuberculosis, Pulmonary / ethnology*
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Tuberculosis, Pulmonary / prevention & control*