title: Evidence for immune complexes containing antibody to the pepsin site of IgG in rheumatoid synovial fluids.
mesh_terms: D000818:Animals; D000888:Antibodies, Anti-Idiotypic / Q000032:analysis*; D000917:Antibody Formation; D000936:Antigen-Antibody Complex; D000941:Antigens / Q000032:analysis*; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D002499:Centrifugation, Density Gradient; D003168:Complement Fixation Tests; D004912:Erythrocytes / Q000276:immunology; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007074:Immunoglobulin G / Q000032:analysis*; D010434:Pepsin A; D011817:Rabbits; D013582:Synovial Fluid / Q000276:immunology*; D014461:Ultracentrifugation
chemical_list: D000888:Antibodies, Anti-Idiotypic; D000936:Antigen-Antibody Complex; D000941:Antigens; D007074:Immunoglobulin G; D010434:Pepsin A