title: Sex differences in development among young children with Down syndrome.
mesh_terms: D002657:Child Development; D002675:Child, Preschool; D004314:Down Syndrome / Q000523:psychology*; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008606:Mental Processes; D009048:Motor Skills; D012737:Sex Factors