The polymorphisms of MGP gene and ALAD gene were analyzed by the methods of PCR-RFLP.
采用多聚酶链反应-限制性片段长度多态性法(PCR - RFLP)分析MGP和ALAD基因的多态性。
2
After controlling these possible confounding variables by multiple regression, the contribution of the ALAD isozyme phenotype to the blood lead levels was still statistically significant.