No abstract available
Publication types
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Clinical Trial
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Controlled Clinical Trial
MeSH terms
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Age Factors
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Aged
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Ampicillin / administration & dosage
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Ampicillin / adverse effects
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Ampicillin / therapeutic use*
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Bronchitis / drug therapy*
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Bronchitis / microbiology
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Chronic Disease
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Clinical Trials as Topic
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Female
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Haemophilus influenzae
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Humans
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Male
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Middle Aged
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Recurrence
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Seasons
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Sex Factors
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Sputum
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Suppuration
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Time Factors