The heterogeneity of rheumatoid factors and the genetic control of polypeptide chains of gamma-globulins.
D006801:Humans; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D066298:In Vitro Techniques; D008228:Lymphoma, Non-Hodgkin / Q000276:immunology; D008967:Molecular Biology; D010455:Peptides; D012217:Rheumatoid Factor