No abstract available
MeSH terms
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Adolescent
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Antigens / immunology
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Antigens, Bacterial / immunology
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Child
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Child, Preschool
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Humans
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Infant
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Mycobacterium / immunology*
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Mycobacterium tuberculosis / immunology*
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Species Specificity
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Tuberculin / immunology*
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Tuberculin Test*
Substances
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Antigens
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Antigens, Bacterial
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Tuberculin
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sensitin