Mothers and infants were enrolled in a trial of vitamin a supplementation during which the infants' weight, length and feeding practices were assessed regularly.
这些母亲和婴儿参与了一项维他命补充试验，试验过程中定期评估婴儿的体重、身高和喂养方法。
WHO is also working with UNICEF and Ministries of Health to promote immunization campaigns, and to deliver measles immunization and vitamin a supplementation.
世卫组织还在与联合国儿童基金会和各国卫生部合作，以促进免疫运动以及提供麻疹免疫接种和维生素a补充。
To assess the relationship between the prevalence of vitamin a deficiency among pregnant women and the effect of neonatal vitamin a supplementation on infant mortality.
评估孕妇维生素a缺乏症发生率和新生儿维生素a补充对婴儿死亡率的影响之间的关系。
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