Risk (2) Experience (2) Patients (2) risque (1) anatomie (1) Anatomy (1) Accidents (1) Cases (1) Confucianism and law (1) Event history analysis (1) Technique (1) Echocardiography (1) Traffic flow (1) Thrombosis (1) Running (1) Reproduction (1) Prosthesis (1) Profit (1) Possibility (1) Patients (1) Passer (1) Necessity (Philosophy) (1) Mitral valve insufficiency (1) Mitral valve (1) Devices (Heraldry) (1) Clinics (1) Cerebrovascular disease (1) Atrial fibrillation (1) Anticoagulants (Medicine) (1) Anatomy (1)