Assessing of Organic Mitral Regurgitation by Real Time Echocardiographic 3D Proximal Isovelocity Surface Area (3D-PISA): A Cardiovascular Magnetic Resonance Validation. (13th February 2020) - Spampinato, Ricardo; Jahnke, Cosima; Paetsch, Ingo; Sieg, Franz; Noack, Thilo; Hilbert, Sebastian; Löbe, Susanne; Strotdrees, Elfriede; Hindricks, Gerhard; Borger, Michael