title: Population mixing and excess of childhood leukemia.
authors: L J
authors: LJ
authors: Kinlen
authors: C
authors: C
authors: Stiller
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004739:England / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D007223:Infant; D007231:Infant, Newborn; D007938:Leukemia / Q000453:epidemiology*; D008228:Lymphoma, Non-Hodgkin / Q000453:epidemiology; D011153:Population; D014195:Travel