title: [Studies on testicular endocrinological function by estimation of plasma testosterone, estradiol and estradiol testosterone ratio. Studies on testicular function; report 9 (author's transl)].
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D006063:Chorionic Gonadotropin / Q000494:pharmacology; D004958:Estradiol / Q000097:blood*; D006801:Humans; D007713:Klinefelter Syndrome / Q000097:blood / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D011863:Radioimmunoassay; D013737:Testis / Q000502:physiology*; D013739:Testosterone / Q000097:blood*
chemical_list: D006063:Chorionic Gonadotropin; D013739:Testosterone; D004958:Estradiol