title: Long-term observations on left parasternal impulse in mitral valvular disease after annuloplasty and after valve replacement.
mesh_terms: D004562:Electrocardiography; D005500:Follow-Up Studies; D006339:Heart Rate; D006349:Heart Valve Diseases / Q000601:surgery; D006350:Heart Valve Prosthesis; D006801:Humans; D008943:Mitral Valve / Q000503:physiopathology*; D011044:Poland; D011183:Postoperative Complications / Q000503:physiopathology*; D013997:Time Factors