spontaneous production of immunoglobulins ( igs ) by peripheral blood mononuclear cells ( pbmc ) in vitro was investigated to assess b cell activity in a group of 24 patients with rheumatoid arthritis ( ra ) with or without active joint disease and with or without rheumatoid vasculitis ( rv ) at the time of study .
C0003873
rheumatoid arthritis
C0240903
rheumatoid vasculitis