temps (durée) (1) surveillance (1) normalisation (1) province (1) besoin (1) hôpital (1) épidémiologie (1) distribution (1) maladie (1) dialyse (1) âge (1) Epidemiology (1) Control (1) Methods (1) Ci (Chinese poetry) (1) Time (1) Proportion (1) Population (1) Patients (1) Overtime (1) Medical records--Data processing (1) Males (1) Invoices (1) Females (1) Epidemiology (1) Dialysis (1) Ciphers (1) Aortic valve--Stenosis (1) Age (1) Methods (1)