Topical (bathwater) PUVA therapy.
D000287:Administration, Topical; D001494:Baths; D006801:Humans; D008730:Methoxsalen / Q000008:administration & dosage*; D011701:PUVA Therapy / Q000379:methods*; D011565:Psoriasis / Q000188:drug therapy
D008730:Methoxsalen