title: Use of heart valves in older patients.
authors.forename: Lawrence H
authors.initials: LH
authors.lastname: Cohn
mesh_terms: D000368:Aged; D001021:Aortic Valve / Q000601:surgery; D001705:Bioprosthesis / Q000706:statistics & numerical data; D006350:Heart Valve Prosthesis / Q000706:statistics & numerical data*; D019918:Heart Valve Prosthesis Implantation; D006351:Heart Valves / Q000601:surgery; D006801:Humans; D017410:Practice Guidelines as Topic