No abstract available
MeSH terms
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Cohort Studies
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Cross Infection / economics
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Cross Infection / prevention & control
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Female
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Humans
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Infection Control / economics
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Infection Control / methods*
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Male
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Middle Aged
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Outcome Assessment, Health Care
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Spinal Diseases / surgery*
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Surgical Wound Infection / economics
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Surgical Wound Infection / prevention & control*