Na +-k + ATPase and Ca 2+-Mg 2+ ATPase activities of erythrocyte membrane were determined from another 119 ACN workers and 43 control subjects.

• [方法 ]对 119名ACN接触工人(接触组 )及 43名无毒物接触史工人 (对照组 )的红细胞膜上Na+ K+ ATPase和Ca2 + Mg2 + ATPase活性进行测定。