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众所周知，微量元素与人体有着密切关系，头发中微量元素锌的含量可反映体内锌的积累状况，也可反映其在机体内的含量。检测头发中微量元素的含量，在流行病学调查方面已逐渐被公认为理想的活体检测材料。为了解广州港儿童发锌水平，特进行此项研究，报道如下。1对象与方法1．1
As we all know, trace elements and the human body is closely related to the content of trace elements in the hair can reflect the status of zinc accumulation in the body, but also reflect its content in the body. Detection of hair trace elements in the epidemiological survey has gradually been recognized as the ideal life testing materials. In order to understand the children of Guangzhou Port hair zinc level, especially for this study, reported below. 1 objects and methods 1.1