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. 2018 Jul 25;5(1):e000210. doi: 10.1136/bmjgast-2018-000210

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© Author(s) (or their employer(s)) 2018. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/.

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Box plots of two high-resolution manometry (HRM) parameters assessed, the lower oesophageal sphincter pressure (LESP) and the integrated residual pressure (IRP) (both in mm Hg). There were no differences among the five groups. The box plots represent minimum and maximum values (vertical lines), first and third quartiles (boxes) and median values (horizontal line). Asterisks represent outlier values. DES, diffuse oesophageal spasm; EGJOO, oesophagogastric junction outflow obstruction; IEM, ineffective oesophageal motility.

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