Correlation between SonoVue Enhancement in CEUS, HCC Differentiation and HCC Diameter: Analysis of 130 Patients with Hepatocellular Carcinoma (HCC) - von Herbay, A.; Vogt, C.; Westendorff, J.; Häussinger, D.; Gregor, M. (Ultraschall in der Medizin - European Journal of Ultrasound, 2009)