[Cases of Klinefelter's syndrome and triple-X with maternal chromosome anomaly--screening of mentally retarded children].
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008607:Intellectual Disability / Q000175:diagnosis*; D007713:Klinefelter Syndrome / Q000235:genetics*; D008297:Male; D008403:Mass Screening; D012729:Sex Chromosome Aberrations / Q000235:genetics*; D014314:Trisomy