Systemic lupus erythematosus in southern Spain: A comparative clinical and genetic study between Caucasian and Gypsy patients

1. Ramal, L.M.
2. López-Nevot, M.A.
3. Sabio, J.M.
4. Jáimez, L.
5. Paco, L.
6. Sánchez, J.
7. De Ramón, E.
8. Fernández-Nebro, A.
9. Ortego, N.
10. Ruiz-Cantero, A.
11. Rivera, F.
12. Martín, J.
13. Jiménez-Alonso, J.