Published on Mar 2001 Percutaneous radiofrequency (RF) ablation of liver tumors. Chagnon S, Qanadli S, Lacombe PGastroen Clin Biol 2001;25(4):B85-B99.Review by R. K. Spence /03 Aug 2001 High intensity focused ultrasound: A method of hemostasis. This inovative work bears watching. Potential applications include minimally invasive, i.e., laparoscopic, approaches to control of traumatic liver injury. – R. K. Spence.