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. 2019 Dec 11;19:1667. doi: 10.1186/s12889-019-8024-2

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© The Author(s). 2019

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. 1 — Diagnostic methodology: FL, zinc sulfate floatation; SD, ethyl acetate sedimentation. The discrepancy in numbers of samples is owing to either refraining giving sample following the interview (two individuals) or inadequacy of fecal samples to be tested by all the methods