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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Cephalosporins / immunology*
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Child
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Child, Preschool
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Cross-Sectional Studies
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Drug Hypersensitivity / diagnosis*
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Drug Hypersensitivity / epidemiology*
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Emergency Service, Hospital
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Humans
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Penicillins / immunology*
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Surveys and Questionnaires
Substances
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Cephalosporins
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Penicillins