2394: New criteria at contrast-enhanced intraoperative ultrasonography for differentiating the new lesions detected intraoperatively during hepatectomies for hepatocellular carcinoma - Del Fabbro, D.; Palmisano, A.; Spinelli, A.; Marconi, M.; Donadon, M.; Montorsi, M.; Torzilli, G. (Ultrasound in Medicine & Biology, 2006)