title: Oral 13-cis-retinoic acid in severe acne.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy*; D000284:Administration, Oral; D000726:Androgen Antagonists / Q000008:administration & dosage*; D003534:Cyproterone / Q000008:administration & dosage / Q000031:analogs & derivatives*; D017373:Cyproterone Acetate; D006801:Humans
chemical_list: D000726:Androgen Antagonists; D017373:Cyproterone Acetate; D003534:Cyproterone