No abstract available
MeSH terms
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Aged
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Ampicillin / pharmacology
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Anti-Bacterial Agents / pharmacology
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Cephalosporins / pharmacology
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Child
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Female
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Humans
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Lung Diseases, Obstructive / complications
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Male
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Maxillary Sinus / microbiology
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Middle Aged
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Neisseriaceae / drug effects
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Neisseriaceae / isolation & purification
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Neisseriaceae / pathogenicity*
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Otitis Media / microbiology
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Penicillin Resistance
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Penicillins / pharmacology
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Respiratory Tract Infections / microbiology*
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Sinusitis / microbiology
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Virulence
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beta-Lactamases / biosynthesis
Substances
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Anti-Bacterial Agents
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Cephalosporins
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Penicillins
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Ampicillin
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beta-Lactamases