title: Extracorporeal photopheresis.
mesh_terms: D001327:Autoimmune Diseases / Q000628:therapy*; D006801:Humans; D007938:Leukemia / Q000628:therapy*; D011701:PUVA Therapy / Q000379:methods*; D010778:Photochemotherapy / Q000379:methods*; D013601:T-Lymphocytes / Q000528:radiation effects