Taking zinc supplement was positively associated with growth and development status of children.
补充锌剂和儿童生长发育有密切相关性。
Objective To understand growth and development status, diseases, intelligence development status of rural children in Hunan.
目的了解湖南农村儿童生长发育、疾病和智力发育状况及其影响因素。
Objective To ascertain the effects of zinc supplementation on growth and development status of children in different age groups.
目的了解补充锌剂对不同年龄儿童生长发育的影响。
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