We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA twin study of differentiation of cognitive abilities in childhood.AuthorsRietveld MJ; Dolan CV; van Baal GC; Boomsma DIPublicationBehavior genetics, 2003, Vol 33, Issue 4, p367ISSN0001-8244Publication typearticleDOI10.1023/a:1025388908177