Levels of serum immunoglobulins in patients with rheumatoid arthritis.
D001172:Arthritis, Rheumatoid / Q000276:immunology*; D006801:Humans; D007122:Immunoelectrophoresis; D007841:Latex Fixation Tests; D012217:Rheumatoid Factor; D005719:gamma-Globulins / Q000032:analysis*
D005719:gamma-Globulins; D012217:Rheumatoid Factor