Methodologies to measure the coverage of vitamin A supplementation: a systematic review

Copyright © The Author(s), 2021. Published by Cambridge University Press on behalf of The Nutrition Society ;The Author(s) 2021. ;Copyright © The Author(s), 2021. Published by Cambridge University Press on behalf of The Nutrition Society. This work is licensed under the Creative Commons Attribution License http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. ;The Author(s) 2021 2021 The Author(s) ;ISSN: 2048-6790 ;EISSN: 2048-6790 ;DOI: 10.1017/jns.2021.65 ;PMID: 34527226

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