Stintzing, S.; Grothe, A.; Hendrich, S.; Hoffmann, R.-T.; Heinemann, V.; Rentsch, M.; Fuerweger, C.; Muacevic, A.; Trumm, C. G. Percutaneous Radiofrequency Ablation (RFA) or Robotic Radiosurgery (RRS) for Salvage Treatment of Colorectal Liver Metastases. AO 2013, 52, 971-977.