- Phase III trial of cyclophosphamide, epirubicin, fluorouracil (CEF) versus cyclophosphamide, mitoxantrone, fluorouracil (CNF) in women with metastatic breast cancer. Estaban, E., Lacave, A.J., Fernández, J.L., Corral, N., Buesa, J.M., Estrada, E., Palacio, I., Vieitez, J.M., Muñiz, I., Alvarez, E. Breast Cancer Res. Treat. (1999)









