Article
Characteristics and Concordance of Autism Spectrum Disorders Among 277 Twin Pairs
5 Oct 2009
Abstract excerpt
OBJECTIVES: To examine patterns of autism spectrum disorder (ASD) inheritance and other features in twin pairs by zygosity, sex, and specific ASD diagnosis. DESIGN: Cross-sectional study. SETTING: Internet-based autism registry for US residents. PARTICIPANTS: Survey results from 277 twin pairs (210 dizygotic [DZ] and 67 monozygotic [MZ]) aged 18 years or younger with at least 1 affected twin. MAIN EXPOSURES:...
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