title: Letter: Retinoic acid versus placebo in linear verrucose naevi, scaly, lichenified eczema, and verrucae plantaris.
mesh_terms: D002986:Clinical Trials as Topic; D004485:Eczema / Q000188:drug therapy; D005231:Fatty Acids, Unsaturated / Q000627:therapeutic use; D005533:Foot Dermatoses / Q000188:drug therapy; D006801:Humans; D010919:Placebos; D012871:Skin Diseases / Q000188:drug therapy*; D014801:Vitamin A / Q000627:therapeutic use*; D014860:Warts / Q000188:drug therapy
chemical_list: D005231:Fatty Acids, Unsaturated; D010919:Placebos; D014801:Vitamin A