No abstract available
MeSH terms
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Aged
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Anti-Bacterial Agents / therapeutic use*
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Ceftriaxone / therapeutic use*
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Drug Resistance, Bacterial
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Haemophilus influenzae type b* / drug effects
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Humans
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Male
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Meningitis, Haemophilus / drug therapy*
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beta-Lactams / pharmacology
Substances
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Anti-Bacterial Agents
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beta-Lactams
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Ceftriaxone