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Clinical disease activity and acute phase reactant levels are discordant among patients with active rheumatoid arthritis: acute phase reactant levels contribute separately to predicting outcome at one year

Jonathan Kay*, Olga Morgacheva, Susan P Messing, Joel M Kremer, Jeffrey D Greenberg, George W Reed, Ellen M Gravallese and Daniel E Furst

Arthritis Research & Therapy 2014, 16:R40  doi:10.1186/ar4469