No abstract available
MeSH terms
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Adult
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Anti-Bacterial Agents / economics
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Anti-Bacterial Agents / therapeutic use*
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Child, Preschool
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Evidence-Based Medicine / methods*
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Female
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Humans
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Infant
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Infant, Newborn
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Multicenter Studies as Topic
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Pregnancy
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Randomized Controlled Trials as Topic
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Whooping Cough / drug therapy*
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Whooping Cough / prevention & control