No abstract available
MeSH terms
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Acute Disease
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Aged
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Aged, 80 and over
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Anti-Bacterial Agents / therapeutic use*
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Anti-Infective Agents / therapeutic use*
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Female
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Follow-Up Studies
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Hospitalization
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Humans
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Male
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Middle Aged
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Pilot Projects
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Prospective Studies
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Respiratory Tract Infections / drug therapy*
Substances
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Anti-Bacterial Agents
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Anti-Infective Agents