No abstract available
MeSH terms
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Autistic Disorder / etiology*
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Child, Preschool
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Confounding Factors, Epidemiologic
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Ethics, Research
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Evidence-Based Medicine
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Humans
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Infant
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Measles-Mumps-Rubella Vaccine / administration & dosage
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Measles-Mumps-Rubella Vaccine / adverse effects*
Substances
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Measles-Mumps-Rubella Vaccine