title: Concurrent methotrexate and etretinate therapy for psoriasis.
mesh_terms: D004359:Drug Therapy, Combination; D005050:Etretinate / Q000627:therapeutic use*; D006801:Humans; D008297:Male; D008727:Methotrexate / Q000627:therapeutic use*; D008875:Middle Aged; D011565:Psoriasis / Q000188:drug therapy*; D014212:Tretinoin / Q000031:analogs & derivatives*
chemical_list: D014212:Tretinoin; D005050:Etretinate; D008727:Methotrexate