No abstract available
MeSH terms
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Anti-Bacterial Agents / adverse effects
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Bacteria*
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Bacterial Infections / etiology
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Bacterial Infections / microbiology*
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Cross Infection / etiology
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Cross Infection / microbiology*
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Diet
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Environmental Exposure
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Female
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Humans
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Intensive Care Units
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Length of Stay
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Male
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Middle Aged
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Prospective Studies
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Respiratory System / microbiology
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Respiratory Tract Infections / etiology
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Respiratory Tract Infections / microbiology*