Quantification of biventricular myocardial function using cardiac magnetic resonance feature tracking, endocardial border delineation and echocardiographic speckle tracking in pati... oleh Kempny Aleksander, Fernández-Jiménez Rodrigo, Orwat Stefan, Schuler Pia, Bunck Alexander C, Maintz David, Baumgartner Helmut, Diller Gerhard-Paul