Outcome differences between patients with node-negative breast cancer classified according to the st. gallen risk categories

1. Blancas, I.
2. Gómez, F.J.
3. Bermejo, B.
4. Hennessy, B.T.
5. Chirivella, I.
6. Magro, A.
7. Caballero, A.
8. Ferrer, J.
9. Valero, V.
10. Lluch, A.