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Methodologies to measure the coverage of vitamin A supplementation: a systematic review
Countries are increasingly transitioning from event-based vitamin A supplementation (VAS) distribution to delivery through routine health system contacts, shifting also to administrative, electronic-based monitoring tools, a process that brings certain limitations affecting the quality of administra...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
Cambridge University Press
2021
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8411257/ https://www.ncbi.nlm.nih.gov/pubmed/34527226 http://dx.doi.org/10.1017/jns.2021.65 |