Weekly cisplatin paclitaxel and continuous infusion fluorouracil in patients with recurrent and/or metastatic head and neck squamous cell carcinoma: a phase II study. - Schena,M.; Barone,C.; Birocco,N.; Dongiovanni,D.; Numico,G.; Colantonio,I.; Bertetto,O. (Cancer Chemother Pharmacol, 2005)