In the case of leukemia, for example, only about 20 % of patients survive three years using traditional therapies. But the survival rate goes over 50 % for those who have received bone marrow transplants.
以急性白血病為例，傳統治療只有百分之二十左右的病人可以存活三年，但若進行骨髓移植，存活率將提高至一半以上，再生不良性貧血的治癒率更高達百分之八、九十。