title: Hidden rheumatoid factors with specificity for native gamma globulins.
mesh_terms: D000372:Agglutination Tests; D000888:Antibodies, Anti-Idiotypic; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D002845:Chromatography; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D012204:Rh-Hr Blood-Group System; D012217:Rheumatoid Factor / Q000097:blood*; D005719:gamma-Globulins / Q000032:analysis*
chemical_list: D000888:Antibodies, Anti-Idiotypic; D012204:Rh-Hr Blood-Group System; D005719:gamma-Globulins; D012217:Rheumatoid Factor