title: On the distribution of rheumatoid factors among the immunoglobulins.
mesh_terms: D006801:Humans; D007122:Immunoelectrophoresis; D066298:In Vitro Techniques; D012217:Rheumatoid Factor; D012463:Saliva; D014461:Ultracentrifugation; D005719:gamma-Globulins
chemical_list: D005719:gamma-Globulins; D012217:Rheumatoid Factor