O'Brien, R C Comparison of sequential cyproterone acetate/estrogen versus spironolactone/oral contraceptive in the treatment of hirsutism. [electronic resource] - The Journal of clinical endocrinology and metabolism May 1991 - 1008-13 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0021-972X Standard No.: 10.1210/jcem-72-5-1008 doi Subjects--Topical Terms: AdultAndrogen Antagonists--adverse effectsAndrogens--bloodContraceptives, Oral--adverse effectsCyproterone--adverse effectsCyproterone AcetateDrug Therapy, CombinationEstrogens--adverse effectsFemaleHair--growth & developmentHirsutism--drug therapyHumansMiddle AgedProspective StudiesSpironolactone--adverse effectsTestosterone--blood