title: May non-invasive methods replace catheterization in quantification of aortic stenosis?
mesh_terms: D001021:Aortic Valve / Q000473:pathology*; D001024:Aortic Valve Stenosis / Q000175:diagnosis*; D006328:Cardiac Catheterization / Q000379:methods; D004452:Echocardiography; D006801:Humans; D014463:Ultrasonography / Q000379:methods*