Comparison of etanercept and methotrexate, alone and combined, in the treatment of rheumatoid arthritis: Two-year clinical and radiographic results from the TEMPO study, a double-blind, randomized trial

1. Van Der Heijde, D.
2. Klareskog, L.
3. Rodriguez-Valverde, V.
4. Codreanu, C.
5. Bolosiu, H.
6. Melo-Gomes, J.
7. Tornero-Molina, J.
8. Wajdula, J.
9. Pedersen, R.
10. Fatenejad, S.