title: PURIFICATION OF THE RHEUMATOID FACTOR.
mesh_terms: D002623:Chemistry Techniques, Analytical; D007122:Immunoelectrophoresis; D012217:Rheumatoid Factor; D014461:Ultracentrifugation
chemical_list: D012217:Rheumatoid Factor
keywords: CHEMISTRY, ANALYTICAL; IMMUNOELECTROPHORESIS; RHEUMATOID FACTOR; ULTRACENTRIFUGATION