Epidemiology of leukaemia.
D000367:Age Factors; D004739:England; D004777:Environment; D006801:Humans; D007938:Leukemia / Q000453:epidemiology*; D007945:Leukemia, Lymphoid / Q000453:epidemiology; D007951:Leukemia, Myeloid / Q000453:epidemiology; D015470:Leukemia, Myeloid, Acute / Q000453:epidemiology; D012737:Sex Factors