Objective To examine the relationship of genetic polymorphisms of glutathione S-transferase(GST) including GSTM1 and GSTT1 and the susceptibility to childhood leukemia.

• 探讨谷胱甘肽S转移酶M1(GSTM1)和T1(GSTT1)基因多态性与儿童白血病遗传易感性的关系。