Dermatology.
D006801:Humans; D008730:Methoxsalen / Q000009:adverse effects / Q000627:therapeutic use*; D010778:Photochemotherapy / Q000009:adverse effects; D011565:Psoriasis / Q000188:drug therapy / Q000628:therapy*; D014467:Ultraviolet Therapy; D014481:United States
D008730:Methoxsalen