No abstract available
MeSH terms
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Adolescent
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Anti-Bacterial Agents / pharmacology
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Azithromycin / pharmacology
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Azithromycin / therapeutic use
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Child
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Child, Preschool
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Drug Resistance, Microbial
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Drug Tolerance
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Humans
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Infant
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Microbial Sensitivity Tests
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Penicillin V / administration & dosage
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Penicillin V / therapeutic use*
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Penicillins / administration & dosage
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Penicillins / therapeutic use*
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Pharyngitis / drug therapy*
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Prospective Studies
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Streptococcal Infections / drug therapy*
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Streptococcal Infections / microbiology
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Streptococcus pyogenes / drug effects*
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Tonsillitis / drug therapy*
Substances
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Anti-Bacterial Agents
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Penicillins
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Azithromycin
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Penicillin V