揭示妊娠妇女微量元素异常是较普遍的现象。
It indicated that the unusual phenomena of trace elements in pregnant women should be paid duly concerns.
目的对微量元素异常患儿的头发进行检测，观察微量元素变化对头发结构产生的影响。
Objective To observe the impact of trace element changes on hair structure by testing the hair of children with abnormal trace elements.
结果显示，广州市儿童微量元素异常的发生情况依次为轻中度的铅中毒（ 4 7 49% ）、锌缺乏（ 9 64% ）及钙缺乏（ 1 49% ）。
The results demonstrated that mild to moderate lead poisoning occurred most frequently (47.49%), followed by zinc deficiency(9.64%)and calcium deficiency (1.49%).
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