title: Indications of vitamin A acid treatment in acne vulgaris.
mesh_terms: D000152:Acne Vulgaris / Q000188:drug therapy*; D000287:Administration, Topical; D004359:Drug Therapy, Combination; D006801:Humans; D010919:Placebos; D013754:Tetracyclines / Q000627:therapeutic use; D014212:Tretinoin / Q000008:administration & dosage / Q000627:therapeutic use*; D014801:Vitamin A / Q000031:analogs & derivatives*
chemical_list: D010919:Placebos; D013754:Tetracyclines; D014801:Vitamin A; D014212:Tretinoin