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. 2019 Feb 1;8(2):168. doi: 10.3390/jcm8020168

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© 2019 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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The top ten frequently used words (x-axis) in the Vietnamese Ministry of Health’s Joint Annual Health Report 2012 (y-axis: number of appearances). The results were obtained from the text mining of the ministry’s reports in R software (version 3.4.1).