Scoring with the berlin MRI method for assessment of spinal inflammatory activity in patients with ankylosing spondylitis: A calibration exercise among rheumatologists

1. Carmona, L.
2. Sellas, A.
3. Rodríguez-Lozano, C.
4. Juanola, X.
5. García Llorente, J.F.
6. Fernández Sueiro, J.L.
7. Linares, L.F.
8. De Castro, M.C.
9. Moreno, M.
10. Zarco, P.
11. Ariza, R.
12. Baraliakos, X.
13. De Miguel, E.