Burggraf, G W Echocardiographic studies of left ventricular wall motion and dimensions after valvular heart surgery. [electronic resource] - The American journal of cardiology Apr 1975 - 473-80 p. digital Publication Type: Journal Article ISSN: 0002-9149 Standard No.: 10.1016/0002-9149(75)90829-2 doi Subjects--Topical Terms: AdolescentAdultAgedAortic Valve Insufficiency--physiopathologyAortic Valve Stenosis--physiopathologyEchocardiographyFemaleFollow-Up StudiesHeart SeptumHeart Valve Diseases--surgeryHeart Valve ProsthesisHeart Ventricles--physiopathologyHumansMaleMiddle AgedMitral Valve Insufficiency--physiopathologyMitral Valve Stenosis--physiopathology