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. 2017 May 25;16:221. doi: 10.1186/s12936-017-1856-2

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© The Author(s) 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 4 — Facilities with laboratory quality assurance practices in malaria low-transmission areas of Kenya, June–December 2013. QA quality assurance. Italic denotes statistically significant improvement from visit 1 to visit 4. Quality assurance officer visually observed presence or absence of practices and confirmed documentation which were recorded via a standardized checklist