摘要
微量元素硒、铁、碘、钼称为防癌抗癌“四大金刚”，本文从多方面论述了这四种微量元素与人体健康的密切关系。
The trace element selenium, iron, iodine, molybdenum are called cancer-resisting ＂four kinds of hard material＂ , in this paper the close relationship between the four kinds of trace elements and human health was discussed in many aspects.
