No abstract available
Publication types
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Research Support, N.I.H., Extramural
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Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
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Autistic Disorder / epidemiology
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Child Language*
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Child, Preschool
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Concept Formation
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Humans
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Infant
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Language Disorders / epidemiology
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Psychological Theory*
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Verbal Learning*
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Vocabulary*