Zinc deficiency is a global nutritional problem, particularly in children and women residing in settings where diets are cereal based and monotonous.
锌缺乏是一个全球性的营养问题，特别是居住在以谷物为基本和单一主食的儿童和妇女。
Zinc supplementation and fortification programs could help overcome these problems as well as help growth among stunted children, another phenomenon associated with severe zinc deficiency.
锌的补充和强化计划可以帮助克服这些问题，也可以帮助有发育障碍小孩的成长；发育障碍也是严重缺乏锌的另一个后果。
Objective To investigate the levels of blood zinc protoporphyrin (ZPP) and prevalence of iron deficiency in 5333 children aged 2~7 in 4 cities of northern China.
目的调查我国北方4市城区2～ 7岁儿童末梢全血锌原卟啉（ZPP）水平和铁缺乏症患病率。
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