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. 2015 Aug 13;6(8):e106. doi: 10.1038/ctg.2015.32

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Copyright © 2015 American College of Gastroenterology

Clinical and Translational Gastroenterology is an open-access journal published by Nature Publishing Group. This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. The images or other third party material in this article are included in the article's Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/4.0/

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Diagnostic algorithm for PPI non-responders. EGD, esophagogastroduodenoscopy; GERD, gastroesophageal reflux disease; GES, gastric emptying scan; HREM, high-resolution esophageal manometry; PPI, proton pump inhibitor.