sécurité (1) recherche (1) besoin (1) modèle (1) santé (1) classification (1) Methods (1) Year (1) Uncertainty (1) Research (1) Public health (1) Proportion (1) Medical care (1) Manufacturers' agents (1) Health (1) Example (1) Estimates (1) Developing countries (1) Commission merchants (1) Classification (1) Abortion (1) Methods (1) Classification (1) Classification (1) Research (1) Utilization (1) Settings (1) Developed countries (1) Interpretation (1) Health (1)