No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Child Day Care Centers
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Child, Preschool
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Colorado / epidemiology
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Disease Outbreaks*
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Escherichia coli Infections / epidemiology*
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Escherichia coli Infections / transmission*
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Escherichia coli O157*
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Feces / microbiology*
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Humans
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Time Factors