No abstract available
MeSH terms
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Aged
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Colon / surgery*
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Humans
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Metronidazole / pharmacokinetics*
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Middle Aged
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Nitroimidazoles / pharmacokinetics*
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Ornidazole / pharmacokinetics*
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Premedication
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Rectum / surgery*
Substances
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Nitroimidazoles
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Metronidazole
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Ornidazole