• 2022-06-06
    Which statement can be supported by Heather Dickinson and Louise Parker's new findings
    A: Radiation has contributed to the disease.
    B: Putting a lot of people from rural area in a large towns increases the risk of childhood leukaemia.
    C: Population mixing is the most important reason for leukaemia cluster.
    D: Childhood leukaemia is caused by an unusual infection.