title: Antipsoriatic activity of retinoic acid (vitamin A acid).
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002908:Chronic Disease; D002986:Clinical Trials as Topic; D003033:Coal Tar / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos; D011565:Psoriasis / Q000188:drug therapy*; D014801:Vitamin A / Q000008:administration & dosage / Q000494:pharmacology* / Q000627:therapeutic use
chemical_list: D010919:Placebos; D014801:Vitamin A; D003033:Coal Tar