Methods:four kinds of trace element included Zn, Cu, Fe and Mg were detected by Varian-640AAS Atom absorptive-analysis in 11 cases of patients with polycythemia.

• 方法 :以Varian -6 4 0AAS原子吸收分光光度仪测定 11例高原红细胞增多症患者血清Zn、Cu、Fe、Mg等微量元素水平。