5) O~6-methylguanine DNA methyltransferase MGMT基因(O~6-甲基鸟嘌呤-DNA甲基转移酶) 6) 6-methyiguanine-DNA methyltransferase 6-氧-甲基鸟嘌呤DNA甲基转移酶 1. Objective To explore the expressions of DNA repair enzyme6-methyiguanine-DNA methyltransferase(MGMT) and cell multiplication nuclear antigen(...