title: Methotrexate and retinoids in combination for psoriasis.
mesh_terms: D002908:Chronic Disease; D004357:Drug Synergism; D004359:Drug Therapy, Combination; D005050:Etretinate / Q000008:administration & dosage; D006801:Humans; D008297:Male; D008727:Methotrexate / Q000008:administration & dosage*; D008875:Middle Aged; D011565:Psoriasis / Q000188:drug therapy*; D012176:Retinoids / Q000008:administration & dosage*
chemical_list: D012176:Retinoids; D005050:Etretinate; D008727:Methotrexate