The incremental diagnostic value of coronary flow reserve and left ventricular elastance during high-dose dipyridamole stress echocardiography in patients with normal wall motion at rest. - Bombardini, Tonino; Gherardi, Sonia; Marraccini, Paolo; Schlueter, Mathis Christian; Sicari, Rosa; Picano, Eugenio (International Journal of Cardiology, 2013)