Human beings (5) association (4) Social groups (4) recherche (3) maladie (3) Research (3) Population (3) Research (3) maladie (3) pierre (2) métabolisme (2) gestion (2) information (2) analyse (2) épidémiologie (2) effet (2) adulte (2) densité (2) Epidemiology (2) Density (2) Reporting (2) Treatment (2) Composition (2) Case (2) Control (2) Selection (2) Diseases (2) Methods (2) Genes (2) Urine (2)