No abstract available
MeSH terms
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Ampicillin / pharmacology
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Bacteria / drug effects
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Bacterial Infections / drug therapy*
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Cephalosporins / administration & dosage
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Cephalosporins / pharmacology
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Cephalosporins / therapeutic use*
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Child
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Child, Preschool
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Humans
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Infant
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Microbial Sensitivity Tests
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Penicillin Resistance
Substances
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Cephalosporins
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Ampicillin