The PTPN22 R263Q polymorphism is a risk factor for rheumatoid arthritis in Caucasian case-control samples. (Arthritis and rheumatism, 2011)

(untitled) - Rodríguez-Rodríguez, L; Taib, W; Topless, R; Steer, S; González-Escribano, M; Balsa, A; Pascual-Salcedo, D; González-Gay, M; Raya, E; Fernandez-Gutierrez, B; González-Álvaro, I; Bottini, N; et al.