in a second study , comparison of left ventricular function with myocardial structure ( endomyocardial biopsies ) was carried out in 30 patients with aortic valve disease ( group 1 : 18 with aortic stenosis , group 2 : twelve with aortic insufficiency ) .
C0027061
myocardial structure
C0189785
endomyocardial biopsies