No abstract available
MeSH terms
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Aged
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Aged, 80 and over
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Anti-Bacterial Agents / administration & dosage
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Anti-Bacterial Agents / adverse effects*
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Anti-Bacterial Agents / biosynthesis*
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Fatal Outcome
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Gastrointestinal Tract / drug effects*
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Gastrointestinal Tract / microbiology
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Humans
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Intensive Care Units
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Male