No abstract available
MeSH terms
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Adolescent
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Age Distribution
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Child
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Child, Preschool
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Crohn Disease / chemically induced
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Crohn Disease / epidemiology
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Crohn Disease / etiology*
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England / epidemiology
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Hospitalization / statistics & numerical data
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Humans
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Infant
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Infant, Newborn
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Measles-Mumps-Rubella Vaccine / adverse effects*
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Risk Factors
Substances
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Measles-Mumps-Rubella Vaccine