Klinefelter's syndrome and essential tremor.
D000293:Adolescent; D006801:Humans; D008607:Intellectual Disability / Q000235:genetics; D007713:Klinefelter Syndrome / Q000235:genetics*; D008297:Male; D008875:Middle Aged; D012728:Sex Chromatin; D012730:Sex Chromosomes; D014202:Tremor / Q000235:genetics*