Transrectal Colour Doppler Contrast Sonography in the Diagnosis of Local Recurrence after Radical Prostatectomy - Comparison with MRI - Drudi, F M; Giovagnorio, F; Carbone, A; Ricci, P; Petta, S; Cantisani, V; Ferrari, F S; Marchetti, F; Passariello, R (Ultraschall in der Medizin - European Journal of Ultrasound, 2006)