Sustained disease remission and inhibition of radiographic progression in methotrexate-naive patients with rheumatoid arthritis and poor prognostic factors treated with abatacept: 2-Year outcomes

J. Bathon, M. Robles, A. C. Ximenes, S. Nayiager, J. Wollenhaupt, P. Durez, J. Gomez-Reino, W. Grassi, B. Haraoui, W. Shergy, S. H. Park, H. Genant, C. Peterfy, J. C. Becker, A. Covucci, D. Moniz Reed, R. Helfrick, R. Westhovens