title: [Case of chloasma-like pigmentation appearing during the treatment of acne vulgaris].
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy*; D000328:Adult; D005260:Female; D006801:Humans; D010859:Pigmentation Disorders / Q000139:chemically induced*; D011276:Pregnanediol / Q000009:adverse effects*
chemical_list: D011276:Pregnanediol