in hearts with congenitally bicuspid aortic valves , the left coronary ostium arose at or above the aortic sinotubular junction in 44 per cent , whereas the incidence for the left coronary ostium in the acquired group was 20 per cent and that for the right coronary ostium in both groups was less than 20 per cent .
C0018787
hearts
C0149630
bicuspid aortic valves