title: Enhancement of immunoglobulin and rheumatoid factor synthesis by rheumatoid synovial effusions and synovial membrane culture supernatants.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000276:immunology*; D005591:Chemical Fractionation; D002847:Chromatography, Agarose; D046508:Culture Techniques; D006801:Humans; D007136:Immunoglobulins / Q000096:biosynthesis*; D008214:Lymphocytes / Q000276:immunology; D012217:Rheumatoid Factor / Q000096:biosynthesis*; D013268:Stimulation, Chemical; D013582:Synovial Fluid / Q000276:immunology*; D013583:Synovial Membrane / Q000276:immunology*
chemical_list: D007136:Immunoglobulins; D012217:Rheumatoid Factor