No abstract available
MeSH terms
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Adult
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Aged
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Anti-Bacterial Agents / therapeutic use
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Chronic Disease
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Female
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Follow-Up Studies
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Humans
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Male
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Middle Aged
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Pneumonia / diagnosis
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Pneumonia / drug therapy*
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Pneumonia / prevention & control
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Respiratory Function Tests
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Sulfanilamides / therapeutic use
Substances
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Anti-Bacterial Agents
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Sulfanilamides