Multicenter Study of Ultrasound Real-Time Tissue Elastography in 779 Cases for the Assessment of Breast Lesions: Improved Diagnostic Performance by Combining the BI-RADS®-US Classification System with Sonoelastography - Wojcinski, S.; Farrokh, A.; Weber, S.; Thomas, A.; Fischer, T.; Slowinski, T.; Schmidt, W.; Degenhardt, F. (Ultraschall in der Medizin - European Journal of Ultrasound, 2010)