title: Virus antibody in synovial fluid of rheumatoid and control patients.
mesh_terms: D000328:Adult; D000914:Antibodies, Viral / Q000032:analysis*; D001172:Arthritis, Rheumatoid / Q000276:immunology*; D003168:Complement Fixation Tests; D003165:Complement System Proteins / Q000032:analysis; D005260:Female; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007075:Immunoglobulin M / Q000032:analysis; D008297:Male; D008459:Measles virus / Q000276:immunology; D008875:Middle Aged; D009109:Mumps virus / Q000276:immunology; D012217:Rheumatoid Factor / Q000032:analysis; D012412:Rubella virus / Q000276:immunology; D018139:Simplexvirus / Q000276:immunology; D013582:Synovial Fluid / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral; D007075:Immunoglobulin M; D003165:Complement System Proteins; D012217:Rheumatoid Factor