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. 2016 Feb 4;16:120. doi: 10.1186/s12889-016-2772-z

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© Nakagiri et al. 2016

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 — Percentage of pit latrine types in use in SSA. a usage in 2007 E Morella, et al. [42] and b usage in 2015 WHO and UNICEF [14]