Hidaka, T Filtration leukocytapheresis therapy in rheumatoid arthritis: a randomized, double-blind, placebo-controlled trial. [electronic resource] - Arthritis and rheumatism Mar 1999 - 431-7 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0004-3591 Standard No.: 10.1002/1529-0131(199904)42:3<431::AID-ANR6>3.0.CO;2-2 doi Subjects--Topical Terms: AdultArthralgia--etiologyArthritis, Rheumatoid--complicationsDouble-Blind MethodDrug ResistanceFemaleHumansLeukapheresisLeukocyte CountMaleMiddle AgedPain MeasurementPlacebos