Double blind, cluster randomised trial of low dose supplementation with vitamin A or β carotene on mortality related to pregnancy in Nepal
收藏PubMed Central1999-05-22 更新2026-05-16 收录
下载链接：
https://pmc.ncbi.nlm.nih.gov/articles/PMC56737/
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资源简介：
Double blind, cluster randomised trial of low dose supplementation with vitamin A or β carotene on mortality related to pregnancy in Nepal
提供机构：
BMJ Publishing Group
创建时间：
1999-05-22
