以目前可利用的一个试验,补充学龄前儿童抗氧化微量营养素对于预防瓜西奥科儿症的效用没有明确的结论。
Based on the one available trial, we could draw no firm conclusion for the effectiveness of supplementary antioxidant micronutrients for the prevention of kwashiorkor in pre-school children.
如果微量营养素的获得主要依赖土壤PH值,这种情况你几乎找不到可利用的所有微量营养素。
As micro nutrient availability depends mainly on the soil pH you can hardly find a situation in which ALL micronutrients are not available.
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