Psoriasis.
D000293:Adolescent; D000328:Adult; D000368:Aged; D003033:Coal Tar / Q000627:therapeutic use; D006801:Humans; D007223:Infant; D008727:Methotrexate / Q000627:therapeutic use; D008875:Middle Aged; D010778:Photochemotherapy; D011565:Psoriasis / Q000175:diagnosis / Q000188:drug therapy* / Q000209:etiology
D003033:Coal Tar; D008727:Methotrexate