title: Failure of prolonged extracorporeal photopheresis in the treatment of alopecia areata universalis in two patients.
authors.forename: Daisy
authors.initials: D
authors.lastname: Kopera
authors.forename: Peter
authors.initials: P
authors.lastname: Wolf
mesh_terms: D000328:Adult; D000506:Alopecia Areata / Q000276:immunology / Q000628:therapy*; D001327:Autoimmune Diseases / Q000276:immunology / Q000628:therapy*; D005260:Female; D006801:Humans; D008297:Male; D017893:Photopheresis / Q000379:methods*; D017211:Treatment Failure