Incidence of RA in people with persistently raised RF.
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Jolobe
D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D001172:Arthritis, Rheumatoid / Q000453:epidemiology / Q000276:immunology*; D015415:Biomarkers / Q000032:analysis; D018450:Disease Progression; D005260:Female; D006801:Humans; D015994:Incidence; D012217:Rheumatoid Factor / Q000032:analysis*
D015415:Biomarkers; D012217:Rheumatoid Factor