Bruce Usher

Mitral valve replacement with and without chordal preservation in patients with chronic mitral regurgitation. Mechanisms for differences in postoperative ejection performance

Circulation · 1992 · 188 citations

Predictors of outcome for aortic valve replacement in patients with aortic regurgitation and left ventricular dysfunction: a change in the measuring stick

Journal of the American College of Cardiology · 1987 · 102 citations