Reductions in Radiographic Progression in Early Rheumatoid Arthritis Over Twenty-Five Years: Changing Contribution From Rheumatoid Factor in Two Multicenter UK Inception Cohorts

This is the peer reviewed version of the following article: Lewis Carpenter, et al, ‘Reductions in Radiographic Progression in Early Rheumatoid Arthritis Over Twenty-Five Years: Changing Contribution From Rheumatoid Factor in Two Multicenter UK Inception Cohorts’, Arthritis Care & Research, Vol. 69 (12): 1809-1817, December 2017, which has been published in final form at https://doi.org/10.1002/acr.23217. Under embargo until 6 Nov 2018 This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.