The serum content of five kinds of trace elements in clean KM mice fed with normal feedstuff in SPF barrier system were determined by AAS and analysed with statistic method.

• 在SPF屏障系统内,按一般方法饲养清洁级KM小鼠,采用原子吸收光谱法测定血清中5种微量元素含量,进行统计学分析。