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从微量元素的作用出发阐述了海藻治疗瘿病不仅与其中的碘有关，而且与铜、锌、锰、铁等微量元素有极其密切的关系。
Starting from the role of trace elements, seaweed treatment of rickets is not only related to iodine, but also has a close relationship with trace elements such as copper, zinc, manganese and iron.