title: Complement-fixing activity of rheumatoid synovial fluid.
mesh_terms: D000936:Antigen-Antibody Complex; D016918:Arthritis, Reactive / Q000276:immunology; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D003168:Complement Fixation Tests; D006073:Gout / Q000276:immunology; D006801:Humans; D007700:Kinetics; D008180:Lupus Erythematosus, Systemic / Q000276:immunology; D011565:Psoriasis / Q000276:immunology; D013582:Synovial Fluid / Q000276:immunology*
chemical_list: D000936:Antigen-Antibody Complex