association (1) besoin (1) surveillance (1) modèle (1) perte (1) histoire (1) soins de santé (1) consultation (1) âge (1) Monitoring (1) Testing (1) Diagnosis (1) Treatment (1) History (1) Care (1) Telephone calls (1) Showing (1) Correspondence (1) Methods (1) Correspondence (1) Specialists (1) Testing (1) Social groups (1) Regression analysis (1) Patients (1) Medical care (1) Manufacturers' agents (1) Letters (1) History (1) Hepatitis C (1)