title: Treatment of psoriasis with methotrexate and folinic acid.
mesh_terms: D004338:Drug Combinations; D006801:Humans; D002955:Leucovorin / Q000627:therapeutic use*; D008727:Methotrexate / Q000627:therapeutic use*; D011565:Psoriasis / Q000188:drug therapy*
chemical_list: D004338:Drug Combinations; D002955:Leucovorin; D008727:Methotrexate