Weekly continuous infusion of 5-fluorouracil with oral leucovorin in metastatic breast cancer patients with primary resistance to doxorubicin

1. Nieto, Y.
2. Martín, M.
3. Alonso, J.L.
4. Casado, A.
5. Ayala, F.
6. López-Martín, J.A.
7. Rodríguez-Lescure, A.
8. Díaz-Rubio, E.