title: THE EVOLUTION OF A MITRAL-VALVE PROSTHESIS.
mesh_terms: D006348:Cardiac Surgical Procedures; D006350:Heart Valve Prosthesis; D006801:Humans; D008943:Mitral Valve; D008944:Mitral Valve Insufficiency
keywords: HEART VALVE PROSTHESIS; MITRAL VALVE; MITRAL VALVE INSUFFICIENCY