title: Photobiologic principles of phototherapy and photochemotherapy of psoriasis.
mesh_terms: D006801:Humans; D011701:PUVA Therapy; D010778:Photochemotherapy; D010789:Phototherapy; D011565:Psoriasis / Q000628:therapy*; D011853:Radiobiology; D012867:Skin / Q000528:radiation effects; D014466:Ultraviolet Rays