No abstract available
MeSH terms
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Adolescent
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Child
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Child, Preschool
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Crohn Disease / epidemiology
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Crohn Disease / etiology*
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England / epidemiology
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Humans
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Immunization / adverse effects
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Incidence
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Measles / prevention & control
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Measles Vaccine / adverse effects*
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Measles-Mumps-Rubella Vaccine
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Mumps Vaccine / adverse effects*
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Risk Factors
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Rubella Vaccine / adverse effects*
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Vaccines, Combined / adverse effects
Substances
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Measles Vaccine
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Measles-Mumps-Rubella Vaccine
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Mumps Vaccine
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Rubella Vaccine
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Vaccines, Combined