title: Ultraviolet phototherapy of psoriasis.
mesh_terms: D003033:Coal Tar / Q000627:therapeutic use; D004307:Dose-Response Relationship, Radiation; D004890:Erythema / Q000209:etiology; D006801:Humans; D011701:PUVA Therapy; D010789:Phototherapy / Q000009:adverse effects; D011565:Psoriasis / Q000628:therapy*; D014467:Ultraviolet Therapy / Q000009:adverse effects
chemical_list: D003033:Coal Tar