title: Psoriasis.
mesh_terms: D005050:Etretinate / Q000627:therapeutic use; D006801:Humans; D006918:Hydroxyurea / Q000627:therapeutic use; D008727:Methotrexate / Q000627:therapeutic use; D011701:PUVA Therapy; D011565:Psoriasis / Q000188:drug therapy / Q000473:pathology / Q000532:radiotherapy / Q000628:therapy*; D012867:Skin / Q000473:pathology; D013256:Steroids / Q000627:therapeutic use; D014467:Ultraviolet Therapy
chemical_list: D013256:Steroids; D005050:Etretinate; D006918:Hydroxyurea; D008727:Methotrexate