title: Centrifugal separation of plasma: techniques and applications.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000628:therapy; D002498:Centrifugation / Q000379:methods; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000628:therapy; D010956:Plasmapheresis / Q000379:methods*