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Comparison on the status of vitamin A in 6- to 13- year-old children between 2002 and 2012 in China
BACKGROUND: Vitamin A deficiency is recognized as a major public-health nutrition issue in the developing countries. Limited hospital sources and sample sizes are available in most of the existing studies associated with healthy school-age children. The aim of this study was to compare vitamin A sta...
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Udgivet i: | Nutr J |
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Main Authors: | , , , , , , , |
Format: | Artigo |
Sprog: | Inglês |
Udgivet: |
BioMed Central
2016
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Fag: | |
Online adgang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4857281/ https://ncbi.nlm.nih.gov/pubmed/27146897 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/s12937-016-0170-0 |
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