The content of eleven trace elements Mg, Al, Cd, Ca, Cr, Fe, Zn, Cu, Pb, Mn andSe in hair of 50 patients with hepatitis B was analysed with electronic microscope which e-quipped with EPM-8100 electronic probe.

• 应用装有EPM－810Q电子探针扫描分析电镜，对50例乙肝患者头发中Mg、Al、Cd、Ca、Cr、Mn、Fe、Cu、Zn、Pb、Se11种元素含量进行分析，并与健康人头发进行比较。