société (humaine) (2) âge (2) Methods (2) Thoracic surgeons (2) Patients (2) Manufacturers' agents (2) Confidence (2) Commission merchants (2) Aortic valve--Stenosis (2) Aortic valve (2) Age (2) Methods (2) Age (2) Patients (2) risque (1) substitution (1) besoin (1) mortalité (1) laboratoire (1) danger (1) maladie (1) taux (1) Mortality (1) Deterioration (1) Causes (1) Area (1) Death (1) Cases (1) Area (1) Echocardiography (1)