No abstract available
MeSH terms
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Cephalosporins / therapeutic use
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Child
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Child, Preschool
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Female
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Humans
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Male
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Penicillins / therapeutic use
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Proctitis / drug therapy
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Proctitis / microbiology*
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Streptococcal Infections / drug therapy
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Streptococcal Infections / microbiology*
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Streptococcus pyogenes*
Substances
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Cephalosporins
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Penicillins