![Comparison of echocardiography and CT angiography for measurement of aortic annulus diameters before transcatheter aortic valve implantation - ScienceDirect Comparison of echocardiography and CT angiography for measurement of aortic annulus diameters before transcatheter aortic valve implantation - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S1016731512002953-gr1.jpg)
Comparison of echocardiography and CT angiography for measurement of aortic annulus diameters before transcatheter aortic valve implantation - ScienceDirect
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