leucémie (4) Leukemia (4) Children (4) risque (3) information (3) exposition (3) enfant (3) cancer (3) Diagnosis (3) Cancer (3) Cases (3) Year (3) Risk (3) Human beings (3) Lymphomas (3) Diagnosis (3) Cancer (3) Cases (3) enfance (3) nourisson (2) temps (durée) (2) projet (2) Europe (2) Europe (2) Age factors (2) Census (2) Census (2) Rates (2) Time (2) Evidence (2)