PTPN22 polymorphism and anti-cyclic citrullinated peptide antibodies in combination strongly predicts future onset of rheumatoid arthritis and has a specificity of 100% for the disease
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* Corresponding author: Solbritt Rantapää-Dahlqvist solbritt.rantapaa.dahlqvist@medicin.umu.se
Arthritis Research & Therapy 2006, 8:R19 doi:10.1186/ar1868