No abstract available
MeSH terms
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Anti-Bacterial Agents / therapeutic use
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Bronchitis / diagnosis
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Bronchitis / epidemiology*
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Bronchitis / etiology
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Bronchitis / mortality
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Diagnosis, Differential
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Hospital Mortality / trends
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Humans
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Pneumonia, Ventilator-Associated / diagnosis
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Pneumonia, Ventilator-Associated / drug therapy
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Pneumonia, Ventilator-Associated / epidemiology*
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Pneumonia, Ventilator-Associated / microbiology
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Population Surveillance / methods*
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Respiration, Artificial / adverse effects*
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beta-Lactams / therapeutic use*
Substances
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Anti-Bacterial Agents
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beta-Lactams