Assessment of tumor response to antiangiogenic chemotherapy for hepatic breast cancer metastases: Imaging of the malignant neoangiogenesis with perfusion ct vs. contrast-enhanced ultrasound (CEUS) - Savelli, S; Pascoli, S; Atzori, M; Ialongo, P; Regine, G; Cisternino, S; Porfiri, LM; Adami, L (Ultraschall in der Medizin - European Journal of Ultrasound, 2007)