Pre- and postoperative evaluation of ventricular function, muscle mass and valve morphology by magnetic resonance tomography in Ebstein’s anomaly. - Gutberlet,M.; Oellinger,H.; Ewert,P.; Nagdyman,N.; Amthauer,H.; Hoffmann,T.; Hetzer,R.; Lange,P.; Felix,R. (Fortschr Röntgenstr, 2000)