Salvage surgical resection after High-Dose Ifosfamide (HDIF) based regimens in Advanced Soft Tissue Sarcoma (ASTS): A potential positive selection bias - A study of the Spanish group for research on sarcomas (GEIS)

1. Maurel, J.
2. Buesa, J.
3. López-Pousa, A.
4. Del Muro, X.G.
5. Quintana, M.J.
6. Martín, J.
7. Casado, A.
8. Martínez-Trufero, J.
9. De Las Peñas, R.
10. Balañá, C.