Gemcitabine-Containing Chemotherapy in the Treatment of Patients with Advanced Soft Tissue Sarcoma - Bauer, S; Hartung, J; Gauler, T; Gocke, P; Trarbach, T; Flasshove, M; Nowrousian, M R; Bojko, P; Hense, J; Seeber, S; Schütte, J (TumorDiagnostik & Therapie, 2002)