title: Development and distribution of intellectual and adaptive skills in Down syndrome children: implications for early intervention.
mesh_terms: D000293:Adolescent; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D004314:Down Syndrome / Q000534:rehabilitation*; D006801:Humans; D007223:Infant; D007360:Intelligence; D012917:Social Adjustment