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. 2016 Apr 13;2:36. doi: 10.1186/s40792-016-0162-5

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© Kato 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.

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Fig. 6 — A 24-h pH tracing of this patient. True gastroesophageal reflux (a) and fermentation (b)