title: Identification of the platelet activating activity in rheumatoid synovial fluid as an intermediate molecular weight complex of IgG.
mesh_terms: D000818:Animals; D000936:Antigen-Antibody Complex; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D001792:Blood Platelets / Q000276:immunology*; D002417:Cattle; D002850:Chromatography, Gel; D004306:Dose-Response Relationship, Immunologic; D006801:Humans; D005779:Immunodiffusion; D007074:Immunoglobulin G / Q000276:immunology*; D008970:Molecular Weight; D010974:Platelet Aggregation; D011817:Rabbits; D012701:Serotonin / Q000378:metabolism; D013582:Synovial Fluid / Q000276:immunology*; D013997:Time Factors
chemical_list: D000936:Antigen-Antibody Complex; D007074:Immunoglobulin G; D012701:Serotonin