title: Frequency of the fragile X syndrome in infantile autism. A Swedish multicenter study.
abstract: In a Swedish multicenter study, 102 cases of infantile autism (I.A.) were examined for fragile X (q27). The fragile X syndrome was observed in 13 of the 83 (16%) boys with I.A., but in none of the 19 girls with I.A.
mesh_terms: D000293:Adolescent; D001321:Autistic Disorder / Q000453:epidemiology / Q000235:genetics*; D002648:Child; D002675:Child, Preschool; D005260:Female; D005600:Fragile X Syndrome / Q000453:epidemiology / Q000235:genetics*; D006801:Humans; D008297:Male; D012729:Sex Chromosome Aberrations / Q000235:genetics*; D013548:Sweden