title: Characterization of the gamma-globulin complexes present in certain sera having high titers of anti-gamma-globulin activity.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000276:immunology*; D001769:Blood; D002850:Chromatography, Gel; D006801:Humans; D005779:Immunodiffusion; D007074:Immunoglobulin G; D007075:Immunoglobulin M; D066298:In Vitro Techniques; D007841:Latex Fixation Tests; D008623:Mercaptoethanol; D012217:Rheumatoid Factor; D014461:Ultracentrifugation
chemical_list: D007074:Immunoglobulin G; D007075:Immunoglobulin M; D008623:Mercaptoethanol; D012217:Rheumatoid Factor