Klinefelter's syndrome with hypogonadotrophic hypogonadism.
D000368:Aged; D005640:Follicle Stimulating Hormone / Q000097:blood*; D006801:Humans; D007006:Hypogonadism / Q000150:complications; D007713:Klinefelter Syndrome / Q000097:blood* / Q000150:complications; D007986:Luteinizing Hormone / Q000097:blood*; D008297:Male; D013739:Testosterone / Q000097:blood
D013739:Testosterone; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone