No abstract available
MeSH terms
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Diagnostic Tests, Routine
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Enzyme-Linked Immunosorbent Assay
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Humans
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Interferon-gamma / blood*
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Latent Tuberculosis / blood
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Latent Tuberculosis / diagnosis*
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Mycobacterium tuberculosis / immunology*
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Mycobacterium tuberculosis / isolation & purification
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Risk Factors
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Travel*