title: The complement system in rheumatoid synovitis. I. An analysis of complement component activities in rheumatoid synovial fluids.
mesh_terms: D000937:Antigen-Antibody Reactions; D001172:Arthritis, Rheumatoid / Q000097:blood / Q000276:immunology*; D001706:Biopsy; D003165:Complement System Proteins / Q000032:analysis*; D005260:Female; D006461:Hemolysis; D006801:Humans; D005779:Immunodiffusion; D007592:Joint Diseases / Q000276:immunology; D008297:Male; D008875:Middle Aged; D012217:Rheumatoid Factor / Q000097:blood; D013582:Synovial Fluid / Q000032:analysis*; D013585:Synovitis / Q000276:immunology*
chemical_list: D003165:Complement System Proteins; D012217:Rheumatoid Factor