Arthritis Rheum. 2002 Feb;46(2):357-65.
How to diagnose rheumatoid arthritis early: a prediction model for
persistent (erosive) arthritis.
Visser H, le Cessie S, Vos K, Breedveld FC, Hazes JM,
Department of Rheumatology, C4-R, Leiden University Medical Center, PO Box
9600, 2300 RC Leiden, The Netherlands.