STUDIES ON A BOY WITH XXYY CHROMOSOME CONSTITUTION.
D000293:Adolescent; D002869:Chromosome Aberrations; D025063:Chromosome Disorders; D000013:Congenital Abnormalities; D005826:Genetics, Medical; D012739:Gonadal Steroid Hormones; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D009333:Neck; D011666:Pulmonary Valve Stenosis; D012728:Sex Chromatin; D013737:Testis; D014556:Urine
D012739:Gonadal Steroid Hormones
ABNORMALITIES; ADOLESCENCE; CHROMOSOME ABNORMALITIES; GENETICS, HUMAN; MENTAL RETARDATION; NECK; PULMONARY VALVE STENOSIS; SEX CHROMATIN; SEX HORMONES; TESTIS; URINE