Diagnostic Features of Real-Time Contrast-Enhanced Ultrasound in Focal Nodular Hyperplasia of the Liver - Piscaglia, F.; Venturi, A.; Mancini, M.; Giangregorio, F.; Vidili, G.; Magnolfi, F.; Mirarchi, M.; Fornari, F.; Bolondi, L. (Ultraschall in der Medizin - European Journal of Ultrasound, 2010)