Rheumatoid factor and Australia antigen.
D000936:Antigen-Antibody Complex / Q000032:analysis; D001172:Arthritis, Rheumatoid / Q000276:immunology; D003095:Collagen Diseases / Q000276:immunology; D006511:Hepatitis B Antigens / Q000032:analysis; D006515:Hepatitis B virus / Q000276:immunology*; D006801:Humans; D012217:Rheumatoid Factor / Q000032:analysis*
D000936:Antigen-Antibody Complex; D006511:Hepatitis B Antigens; D012217:Rheumatoid Factor