No abstract available
MeSH terms
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Anti-Bacterial Agents*
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Bronchitis / therapy*
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Bronchitis, Chronic*
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Costs and Cost Analysis*
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Penicillins / therapy*
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Protein Synthesis Inhibitors*
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Tetracycline / therapy*
Substances
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Anti-Bacterial Agents
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Penicillins
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Protein Synthesis Inhibitors
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Tetracycline