Pectasides D, Aravantinos G, Kalofonos H, Kiamouris C, Bafaloukos D, Xiros N, Nicolaides C, Visvikis A, Dimopoulos MA. Combination chemotherapy with gemcitabine and ifosfamide as second-line treatment in metastatic urothelial cancer. A phase II trial conducted by the Hellenic Cooperative Oncology Group. Annals of Oncology [Internet]. 2001;12(10):1417 - 1422.