Thermal ablation of malignant hepatic lesions with assistance of a computerized CT guidance system von psenner | Mrz 2, 2001 Helmberger TK, Holzknecht N, Schöpf UJ, Stäbler A, Reiser MF: Thermal ablation of malignant hepatic lesions with assistance of a computerized CT guidance system European Congress of Radiology – ECR 2001, 02.03.2001 – 06.03.2001, Wien, Österreich