A Prospective Observational Study for Assessment and Outcome Association of Circulating Endothelial Cells in Clear Cell Renal Cell Carcinoma Patients Who Show Initial Benefit from First-line Treatment. The CIRCLES (CIRCuLating Endothelial cellS) Study (SOGUG-CEC-2011-01)

1. García-Donas, J.
2. Leon, L.A.
3. Esteban, E.
4. Vidal-Mendez, M.J.
5. Arranz, J.A.
6. Garcia del Muro, X.
7. Basterretxea, L.
8. González del Alba, A.
9. Climent, M.A.
10. Virizuela, J.A.
11. Álvarez, C.
12. Sepúlveda, J.
13. Anido, U.
14. López, C.
15. Ortiz-Morales, M.J.
16. Pérez, X.
17. Rodriguez-Antona, C.
18. Rodriguez-Moreno, J.F.
19. Hernando, S.
20. Castellano, D.