Risk of aortic valve surgery.
D001021:Aortic Valve; D001022:Aortic Valve Insufficiency / Q000601:surgery; D001024:Aortic Valve Stenosis / Q000601:surgery; D001026:Coronary Artery Bypass / Q000401:mortality; D006350:Heart Valve Prosthesis / Q000401:mortality*; D006801:Humans; D012306:Risk