title: [Heart valve replacement in patients 70 years and older].
mesh_terms: D000367:Age Factors; D000368:Aged; D001021:Aortic Valve / Q000601:surgery; D001026:Coronary Artery Bypass; D005260:Female; D005500:Follow-Up Studies; D006350:Heart Valve Prosthesis / Q000401:mortality; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000601:surgery
vernacular_title: Hartklepvervanging bij patiënten van 70 jaar en ouder.