No abstract available
Publication types
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Clinical Trial
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Randomized Controlled Trial
MeSH terms
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Adult
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Aged
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Aged, 80 and over
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Biliary Tract Surgical Procedures*
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Cefoperazone / therapeutic use*
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Female
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Humans
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Male
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Middle Aged
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Prospective Studies
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Randomized Controlled Trials as Topic
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Stomach / surgery*
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Surgical Wound Infection / prevention & control*