Efficacy of second and third lines of treatment in advanced soft tissue sarcomas: a real-world study

1. Gutierrez-Sainz, L.
2. Martinez-Fdez, S.
3. Pedregosa-Barbas, J.
4. Peña, J.
5. Alameda, M.
6. Viñal, D.
7. Villamayor, J.
8. Martinez-Recio, S.
9. Perez-Wert, P.
10. Pertejo-Fernandez, A.
11. Gallego, A.
12. Martinez-Marin, V.
13. Zamora, P.
14. Espinosa, E.
15. Mendiola, M.
16. Feliu, J.
17. Redondo, A.