Care (2) Districts (2) temps (durée) (1) enquête (1) échantillonnage (1) risque (1) conserve (1) besoin (1) information (1) infection (1) ménage (1) histoire (1) exposition (1) éducation (1) communication (1) méthode (1) taux (1) comptabilité (1) Education (1) Communications (1) History (1) Costs (1) Cost effectiveness (1) Complications (1) Assaying (1) Diseases (1) Accounting (1) Methods (1) Surveys (1) Price-earnings ratio (1)