title: Virologic studies on rheumatoid arthritis.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis; D001172:Arthritis, Rheumatoid / Q000276:immunology / Q000382:microbiology*; D001706:Biopsy; D002358:Cartilage, Articular / Q000382:microbiology; D002460:Cell Line; D003588:Cytopathogenic Effect, Viral; D003601:Cytotoxicity Tests, Immunologic; D006367:HeLa Cells; D006385:Hemagglutination Inhibition Tests; D006801:Humans; D007372:Interferons / Q000032:analysis; D009522:Newcastle disease virus / Q000276:immunology; D012412:Rubella virus / Q000276:immunology; D013582:Synovial Fluid / Q000382:microbiology; D014777:Virus Diseases
chemical_list: D000914:Antibodies, Viral; D007372:Interferons