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Annals of Dyslexia|November 16, 2013
Genetic and environmental etiologies of reading disability: A twin studyM C Labuda, J C DefriesBehavior Genetics|October 23, 1997
Comorbidity of mathematics and reading deficits: evidence for a genetic etiologyV S Knopik, M Alarcón, J C DeFriesScience (New York, N.Y.)|April 22, 1977
Assortative mating by unwed biological parents of adopted childrenR Plomin, J C DeFries, M K RobertsBehavior Genetics|January 1, 1995
Etiology of individual differences in reading performance: a test of sex limitationM Alarcón, J C DeFries, D W FulkerNature|December 22, 1988
Genetic influence on general mental ability increases between infancy and middle childhoodD W Fulker, J C DeFries, R PlominAnnals of Dyslexia|November 16, 2013
Gender differences in cognitive abilities of opposite-sex and same-sex twin pairs with reading disabiltyV S Knopik, J C Defries, M AlarcónJournal of Child Psychology and Psychiatry, and Allied Disciplines|January 1, 1984
Cognitive abilities in reading-disabled children: a longitudinal studyL A Baker, S N Decker, J C DeFriesActa Geneticae Medicae Et Gemellologiae|January 1, 1992
Confirmatory factor analysis of reading and mathematics performance: a twin studyJ J Gillis, J C DeFries, D W FulkerDyslexia (Chichester, England)|January 5, 2002
Are RAN- and phonological awareness-deficits additive in children with reading disabilities?D L Compton, J C DeFries, R K OlsonBehavior Genetics|January 1, 1995
Multivariate genetic analysis of Wechsler Intelligence Scale for Children--Revised (WISC-R) factorsS D Casto, J C DeFries, D W FulkerPageof 21