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. 2019 Feb 15;98(7):e14513. doi: 10.1097/MD.0000000000014513

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Copyright © 2019 the Author(s). Published by Wolters Kluwer Health, Inc.

This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial-No Derivatives License 4.0 (CCBY-NC-ND), where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc-nd/4.0

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Forest plots of alterations of fecal short-chain fatty acids concentration in patients with irritable bowel syndrome after different treatments: (A-1) acetate after restricted diet, (A-2) acetate after probiotics treatment, (B-1) propionate after restricted diet, (B-2) propionate after probiotics treatment, (C-1) butyrate after restricted diet, (C-2) butyrate after probiotics treatment, (D-1) iso-butyrate after restricted diet, (D-2) iso-butyrate after probiotics treatment, (E-1) valerate after restricted diet, (E-2) valerate after probiotics treatment, (F-1) iso-valerate after restricted diet, and (F-2) iso-valerate after probiotics treatment. CI = confidence interval, SMD = standardized mean difference.