title: The apex cardiogram in mitral stenosis. A five years follow-up study after mitral commissurotomy.
mesh_terms: D000328:Adult; D005500:Follow-Up Studies; D006801:Humans; D007702:Kinetocardiography; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000601:surgery*; D011182:Postoperative Care; D013997:Time Factors