No abstract available
MeSH terms
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Adolescent
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Antibodies, Bacterial / analysis
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Bacteriological Techniques
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Child
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Disease Outbreaks
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Humans
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Male
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Pharyngitis / immunology
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Pharyngitis / microbiology*
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Streptococcal Infections / immunology
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Streptococcal Infections / microbiology*
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Streptococcus / pathogenicity*
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Virulence