The safety, efficacy and effective delivery of maternal micronutrient supplementation require further research.
母体微量营养素补充的安全性、功效和有效传递需要进一步研究。
This will involve improving access to nutritious food, to micronutrient supplementation and in many places to preventing infections as well.
这将包括改善营养食品和微量营养素补充品的获得，在许多地方还包括预防感染。
This will involve improving access to nutritious food, to micronutrient supplementation and in many places to preventing infections as well.
这将包括改善营养食品和微量营养素补充品的获得，在许多地方还包括预防感染。
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