title: Trends and clusters in leukaemia in Mersey region.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004196:Disease Outbreaks / Q000453:epidemiology*; D004739:England; D006801:Humans; D007938:Leukemia / Q000453:epidemiology*; D012042:Registries; D013029:Space-Time Clustering