Vitamin A acid in the topic treatment of warts.
D000287:Administration, Topical; D004341:Drug Evaluation; D006801:Humans; D012871:Skin Diseases / Q000188:drug therapy*; D014212:Tretinoin / Q000008:administration & dosage / Q000627:therapeutic use*; D014801:Vitamin A / Q000031:analogs & derivatives*; D014860:Warts / Q000188:drug therapy*
D014801:Vitamin A; D014212:Tretinoin