Fox, A C Is mitral regurgitation a useful marker of left ventricular deterioration in aortic stenosis? [electronic resource] - Journal of the American College of Cardiology Mar 1989 - 802-3 p. digital Publication Type: Journal Article ISSN: 0735-1097 Standard No.: 10.1016/0735-1097(89)90219-2 doi Subjects--Topical Terms: Aortic Valve Stenosis--complicationsEchocardiographyHumansMitral Valve Insufficiency--etiologyMyocardial Contraction