Noninvasive Assessment of Liver Fibrosis with Acoustic Radiation Force Impulse Imaging: Increased Liver and Splenic Stiffness in Patients with Liver Fibrosis and Cirrhosis - Grgurevic, I.; Cikara, I.; Horvat, J.; Lukic, I. K.; Heinzl, R.; Banic, M.; Kujundzic, M.; Brkljacic, B. (Ultraschall in der Medizin - European Journal of Ultrasound, 2011)