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. 2017 Jun 26;18:128. doi: 10.1186/s12931-017-0580-3

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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. 3 — The percentages of T helper (Th) 1 (CD4⁺IFN-γ⁺), Th2 (CD4⁺IL-4γ⁺), and Th17 (CD4⁺IL-17A⁺) in CD4 positive lymphocytes were measured using flow cytometry in patients with pulmonary tuberculosis (PTB) and those with extra-pulmonary TB (EPTB). Error bars indicate standard error. Comparisons between groups were performed using the Mann Whitney U test