title: Useful adjuncts to open mitral valvulotomy.
mesh_terms: D004106:Dilatation; D006801:Humans; D008722:Methods; D008943:Mitral Valve / Q000601:surgery*; D008944:Mitral Valve Insufficiency / Q000517:prevention & control; D008946:Mitral Valve Stenosis / Q000601:surgery*