No abstract available
MeSH terms
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Antibodies, Bacterial / blood*
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Child
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Child, Preschool
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Escherichia coli / immunology*
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Hemolytic-Uremic Syndrome / epidemiology
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Hemolytic-Uremic Syndrome / immunology*
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Humans
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Infant
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Italy / epidemiology
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Lipopolysaccharides / immunology*
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O Antigens
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Polysaccharides, Bacterial / immunology*
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Retrospective Studies
Substances
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Antibodies, Bacterial
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Lipopolysaccharides
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O Antigens
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Polysaccharides, Bacterial