1. Disease activity and joint damage progression in early rheumatoid arthritis: relation to IgG, IgA, and IgM rheumatoid factor. Issue 11 (November 1990) Authors: Eberhardt, K B; Truedsson, L; Pettersson, H; Svensson, B; Stigsson, L; Eberhardt, J L; Wollheim, F A Journal: Annals of the rheumatic diseases Issue: Volume 49:Issue 11(1990) Page Start: 906 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗