No abstract available
MeSH terms
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Agricultural Irrigation*
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California
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Escherichia coli / pathogenicity*
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Food Contamination / prevention & control*
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Food Microbiology*
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Food Safety
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Humans
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Lactuca / microbiology*
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Risk Assessment
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Spinacia oleracea / microbiology*
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United States
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Water Microbiology*
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Water Quality