No abstract available
MeSH terms
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Humans
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Recurrence
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Serotyping
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Species Specificity
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Streptococcal Infections / microbiology*
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Streptococcal Infections / prevention & control*
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Streptococcus pyogenes / classification*
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Streptococcus sanguis
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Tonsillitis / microbiology*
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Tonsillitis / prevention & control*