No abstract available
MeSH terms
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Adult
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Anti-Bacterial Agents / therapeutic use*
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Chile
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Drug Hypersensitivity*
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Erythromycin / therapeutic use*
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Female
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Humans
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Infant, Newborn
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Penicillins*
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Pregnancy
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Syphilis, Congenital / prevention & control*
Substances
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Anti-Bacterial Agents
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Penicillins
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Erythromycin