nourisson (1) population urbaine (1) spectacle (1) population rurale (1) risque (1) projet (1) leucémie (1) information (1) exposition (1) maladie (1) enfant (1) méthode (1) cancer (1) distribution spatiale (1) densité de population (1) Diagnosis (1) Causes (1) Cancer (1) Age factors (1) Census (1) Census (1) Cases (1) City dwellers (1) Rural population (1) Risk (1) Population density (1) Persons (1) Human beings (1) Leukemia (1) Evidence (1)