Methods Using AAS,we examined the serum levels of Cu,Fe,Zn,Ca of 220 normal pregnant women and 100 non-pregnant women in near a year.

• 方法应用原子吸收分光光度法对220例正常孕妇和100例未孕妇女血清中Cu、Fe、Zn、Ca的含量进行了近一年的跟踪测定。