Comparison of Efficacy and Safety of Norgestimate-ethinyl Estradiol and Cyproterone Acetate-ethinyl Estradiol in the Treatment of Acne Vulgaris [clinicaltrials:NCT00752635]

Comparison of Efficacy and Safety of Norgestimate-ethinyl Estradiol and Cyproterone Acetate-ethinyl Estradiol in the Treatment of Acne Vulgaris [clinicaltrials:NCT00752635]