title: Mitral valve replacement with porcine heterograft. A follow up study of 74 cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D001705:Bioprosthesis; D005260:Female; D005500:Follow-Up Studies; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008875:Middle Aged; D008943:Mitral Valve / Q000601:surgery