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. 2019 Mar 23;12:165. doi: 10.1186/s13104-019-4211-6

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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. 2 — Bioanalyzer electropherogram traces of the spit samples. Each subject is shown individually with colors representing collection conditions: following manufacturer’s instructions (red), after consuming water (blue), after eating lunch (green), after consuming a carbonated beverage (cyan), after consuming a sports drink (magenta), and after consuming coffee (orange)