Jalota, S.; Singh, J.; Saini, R. A Randomized Placebo Controlled Trial of Metformin Alone and Metformin Plus Fixed Dose Combination of Cyproterone Acetate and Ethinyl Estradiol in Hirsute Women With Polycystic Ovarian Syndrome. Int J Basic Clin Pharmacol 2018, 7, 1011-1015.