- Minidose warfarin prophylaxis for catheter-associated thrombosis in cancer patients: can it be safely associated with fluorouracil-based chemotherapy? Masci, G., Magagnoli, M., Zucali, P.A., Castagna, L., Carnaghi, C., Sarina, B., Pedicini, V., Fallini, M., Santoro, A. J. Clin. Oncol. (2003)