title: [Echocardiographic findings before and after surgery of rheumatic mitral and aortic lesions].
mesh_terms: D001021:Aortic Valve / Q000503:physiopathology*; D004452:Echocardiography; D006801:Humans; D008943:Mitral Valve / Q000503:physiopathology*; D012214:Rheumatic Heart Disease / Q000601:surgery*
vernacular_title: Echokardiographische Befunde vor und nach Operation rheumatischer Mitral- und Aortenvitien.