title: Birth order effects on nonverbal IQ in families with multiple incidence of autism or pervasive developmental disorder.
authors: C
authors: C
authors: Lord
mesh_terms: D000293:Adolescent; D000328:Adult; D001321:Autistic Disorder / Q000175:diagnosis / Q000235:genetics* / Q000523:psychology; D001722:Birth Order; D002648:Child; D002659:Child Development Disorders, Pervasive / Q000175:diagnosis / Q000235:genetics* / Q000523:psychology; D002675:Child, Preschool; D003142:Communication; D005260:Female; D006801:Humans; D007360:Intelligence / Q000235:genetics*; D008297:Male; D011569:Psychiatric Status Rating Scales; D012737:Sex Factors; D012919:Social Behavior