No abstract available
MeSH terms
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Child
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Humans
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Penicillins / therapeutic use*
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Recurrence*
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Research Design*
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Rheumatic Fever / prevention & control*
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Streptococcal Infections*
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Sulfanilamide
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Sulfanilamides
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Sulfonamides / therapeutic use*
Substances
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Penicillins
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Sulfanilamides
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Sulfonamides
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Sulfanilamide