No abstract available
Publication types
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Clinical Trial
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Comparative Study
MeSH terms
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Aged
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Bacteria / drug effects*
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Bacteria / isolation & purification
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Bronchi / microbiology*
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Bronchitis / drug therapy*
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Bronchitis / microbiology
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Ceftriaxone / administration & dosage
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Ceftriaxone / pharmacology*
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Clinical Trials as Topic
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Haemophilus influenzae / drug effects
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Haemophilus influenzae / isolation & purification
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Humans
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Injections, Intramuscular
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Microbial Sensitivity Tests
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Middle Aged
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Piperacillin / administration & dosage
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Piperacillin / pharmacology*
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Random Allocation
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Streptococcus pneumoniae / drug effects
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Streptococcus pneumoniae / isolation & purification