AB0764 Improved public health may explain a decrease in the incidence of seropositive rheumatoid arthritis in the early middle-aged finnish population in northern savo

Abstract

BackgroundTrends in the incidence of RA may reflect changes in the host-environment relationship.ObjectivesTo assess the incidence of seropositive rheumatoid arthritis (RA) during 30 year period in Northern Savo Finland and...