Head-to-head comparison of indices of left ventricular contractile reserve assessed by high-dose dobutamine stress echocardiography in idiopathic dilated cardiomyopathy: five-year follow up
Dr Aleksandar D Popovic Cardiovascular Research Center, Dedinje Cardiovascular Institute, Milana Tepi?a 1, 11040 Belgrade, Serbia and Montenegro. potasevic@yahoo.com