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. 2017 Feb 7;23(5):810–816. doi: 10.3748/wjg.v23.i5.810

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©The Author(s) 2017. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is 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 and the use is non-commercial.

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Statistical graph of Tags and Operational Taxonomic Unit clustering. Normal group: FD (1.1-1.3); Model group: FD (2.1-2.3); Xiaoyaosan group: FD (3.1-3.3). Total Tags: Effective Tags; Unique Tags: Uneffective Tags; Taxon Tags: Annotated Tags for OTUs; Unclassified Tags: Unannotated Tags. OTUs: Operational Taxonomic Units; FD: Functional dyspepsia.