No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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Adolescent
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Ampicillin / therapeutic use
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Anti-Bacterial Agents / therapeutic use*
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Child
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Child, Preschool
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Chloramphenicol / therapeutic use
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Humans
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Infant
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Meningitis, Meningococcal / drug therapy*
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Meningitis, Meningococcal / microbiology
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Meningococcal Infections / drug therapy*
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Meningococcal Infections / microbiology
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Nasopharynx / microbiology
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Neisseria meningitidis / growth & development*
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Penicillins / therapeutic use
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Pharynx / microbiology*
Substances
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Anti-Bacterial Agents
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Penicillins
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Chloramphenicol
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Ampicillin