Proceedings: Rheumatoid factor, so-called--what does it portend for the population?
D000367:Age Factors; D000372:Agglutination Tests; D001172:Arthritis, Rheumatoid / Q000276:immunology; D003327:Coronary Disease / Q000276:immunology; D004562:Electrocardiography; D006801:Humans; D012217:Rheumatoid Factor; D014852:Wales
D012217:Rheumatoid Factor