Gunardi, E.R. et al. 2026. Drospirenone–Ethinyl Estradiol and Cyproterone Acetate in Moderate Severe Acne with Hyperandrogenism: A Randomized Double-Blind Trial. Indonesian Journal of Obstetrics and Gynecology. 14, 1 (Jan. 2026), 84–90. DOI:https://doi.org/10.32771/inajog.v14i1.3181.