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. 2017 Jun 16;65(8):1356–1363. doi: 10.1093/cid/cix550

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© The Author 2017. Published by Oxford University Press for the Infectious Diseases Society of America.

This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial reproduction and distribution of the work, in any medium, provided the original work is not altered or transformed in any way, and that the work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

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Figure 2. — Plasma indoleamine 2, 3-dioxygenase (IDO) activity in patients with laboratory-confirmed (n = 18) or clinical (n = 14) tuberculosis. There was no difference in IDO activity dependent on mode of tuberculosis diagnosis. P values were determined using Mann-Whitney tests. Medians and interquartile ranges are shown. Kyn, kynurenine; TB, tuberculosis; Trp, tryptophan.