1. Clinical significance of rheumatoid factors in early rheumatoid arthritis: results of a follow up study. Issue 9 (September 1992) Authors: van Zeben, D; Hazes, J M; Zwinderman, A H; Cats, A; van der Voort, E A; Breedveld, F C Journal: Annals of the rheumatic diseases Issue: Volume 51:Issue 9(1992) Page Start: 1029 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗