Klinefelter's syndrome in children.
D000293:Adolescent; D002648:Child; D002653:Child Behavior Disorders / Q000150:complications; D002675:Child, Preschool; D006801:Humans; D007398:Interpersonal Relations; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000150:complications* / Q000175:diagnosis; D008297:Male; D009034:Mother-Child Relations; D009440:Neurasthenia / Q000150:complications; D010554:Personality Disorders / Q000150:complications*; D012728:Sex Chromatin; D012729:Sex Chromosome Aberrations