Objective To investigate the distribution of glutathione-S-tran sferase M1(GSTM1)gene polymorphism in health Yao and Han nationalities of Guangdong povince.

• 目的探讨广东地区瑶族和汉族健康人群谷胱甘肽硫转移酶M1(GSTM1)基因多态性的分布。