![Appearance of or persistence of severe mitral regurgitation without left ventricular outflow obstruction after partial ventricular septal myotomy-myectomy in hypertrophic cardiomyopathy]()
Appearance of or persistence of severe mitral regurgitation without left ventricular outflow obstruction after partial ventricular septal myotomy-myectomy in hypertrophic cardiomyopathyCharles Stewart Roberts; S.David Gertz; Heinrich G. Klues; Richard O. Cannon III; Barry J. Maron; Charles L. McIntosh; William Clifford Roberts · 1991