Symtomatology in schoolboys with positive sex chromatin (the klinefelter syndrome).
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002653:Child Behavior Disorders / Q000150:complications; D002675:Child, Preschool; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D004569:Electroencephalography; D006801:Humans; D007621:Karyotyping; D007713:Klinefelter Syndrome / Q000150:complications*; D008297:Male; D001523:Mental Disorders / Q000150:complications*; D011627:Puberty; D012728:Sex Chromatin / Q000032:analysis; D012920:Social Behavior Disorders / Q000150:complications