Childhood leukaemia.
D000818:Animals; D002415:Cats; D002648:Child; D006801:Humans; D007938:Leukemia / Q000453:epidemiology / Q000662:veterinary; D054198:Precursor Cell Lymphoblastic Leukemia-Lymphoma / Q000453:epidemiology*; D012423:Rural Health; D012606:Scotland / Q000453:epidemiology