Cellular depletion by apheresis.
D000917:Antibody Formation; D001172:Arthritis, Rheumatoid / Q000628:therapy; D001781:Blood Component Removal / Q000009:adverse effects*; D001782:Blood Donors; D006801:Humans; D007111:Immunity, Cellular; D007937:Leukapheresis / Q000009:adverse effects / Q000295:instrumentation / Q000379:methods; D007958:Leukocyte Count; D008231:Lymphopenia / Q000209:etiology* / Q000276:immunology; D010976:Platelet Count; D010983:Plateletpheresis / Q000009:adverse effects / Q000295:instrumentation / Q000379:methods; D013921:Thrombocytopenia / Q000209:etiology*; D013997:Time Factors