title: Sebaceous glands and acne vulgaris: unsolved problems.
mesh_terms: D000152:Acne Vulgaris / Q000453:epidemiology; D000717:Anatomy, Comparative; D000728:Androgens / Q000502:physiology; D004032:Diet; D006801:Humans; D012627:Sebaceous Glands / Q000502:physiology
chemical_list: D000728:Androgens