No abstract available
MeSH terms
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Anti-Bacterial Agents / therapeutic use*
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Child
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Female
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Humans
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Incidence
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Male
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Pharyngitis / drug therapy*
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Pharyngitis / epidemiology*
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Pharyngitis / microbiology
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Pneumococcal Infections / drug therapy*
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Pneumococcal Infections / epidemiology*
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Rheumatic Fever / epidemiology*
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Rheumatic Fever / prevention & control*