No abstract available
Publication types
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Anti-Bacterial Agents / pharmacology*
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Bolivia / epidemiology
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Cephalosporins / pharmacology
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Child
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Child, Preschool
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Drug Resistance, Bacterial*
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Escherichia coli / drug effects*
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Escherichia coli / enzymology
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Escherichia coli / isolation & purification
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Feces / microbiology
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Female
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Fluoroquinolones / pharmacology
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Humans
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Infant
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Male
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Microbial Sensitivity Tests
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Peru / epidemiology
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beta-Lactamases / biosynthesis
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beta-Lactamases / genetics
Substances
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Anti-Bacterial Agents
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Cephalosporins
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Fluoroquinolones
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beta-Lactamases