False fear--false hope.
D000152:Acne Vulgaris / Q000188:drug therapy; D005363:Ficusin / Q000627:therapeutic use; D006801:Humans; D007255:Information Services; D011565:Psoriasis / Q000188:drug therapy; D014212:Tretinoin / Q000627:therapeutic use; D014467:Ultraviolet Therapy
D014212:Tretinoin; D005363:Ficusin