The natural history of Klinefelter's syndrome.
D015068:17-Ketosteroids; D002875:Chromosomes; D005640:Follicle Stimulating Hormone; D006801:Humans; D007713:Klinefelter Syndrome; D011584:Psychology; D014556:Urine
D015068:17-Ketosteroids; D005640:Follicle Stimulating Hormone