Outcomes Reported in Prospective Long-Term Observational Studies and Registries of Patients With Rheumatoid Arthritis Worldwide: An Outcome Measures in Rheumatology Systematic Review

1. Lopez-Olivo, M.A.
2. Zogala, R.J.
3. des Bordes, J.
4. Zamora, N.V.
5. Christensen, R.
6. Rai, D.
7. Goel, N.
8. Carmona, L.
9. Pratt, G.
10. Strand, V.
11. Suarez-Almazor, M.E.