TY - JOUR AU - Siperstein, A E; Berber, E; Ballem, N TI - Survival after radiofrequency ablation of colorectal liver metastases: 10-year experience JO - Ann Surg VL - 246 PY - 2007 DO - 10.1097/SLA.0b013e318155a7b6 SP - 559 EP - 565; discussion 565-557 N1 - et al. ER -