From the NIH: a look at the management of psoriasis.
D011564:Furocoumarins / Q000627:therapeutic use*; D006801:Humans; D008727:Methotrexate / Q000627:therapeutic use; D010778:Photochemotherapy; D011565:Psoriasis / Q000188:drug therapy* / Q000532:radiotherapy; D012878:Skin Neoplasms / Q000209:etiology; D014467:Ultraviolet Therapy / Q000009:adverse effects
D011564:Furocoumarins; D008727:Methotrexate