No abstract available
MeSH terms
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Adolescent
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Adult
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Aged
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Anti-Bacterial Agents / therapeutic use
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Appendectomy
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Bacterial Infections / etiology
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Bacterial Infections / prevention & control
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Female
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Gastrectomy
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Hemorrhoids / surgery
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Humans
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Male
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Middle Aged
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Postoperative Complications*
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Sepsis / etiology
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Vascular Diseases / surgery