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. 2020 Oct 28;20:295. doi: 10.1186/s12903-020-01262-9

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© The Author(s) 2020

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated in a credit line to the data.

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Fig. 5 — PCoA based on the Bray-Curtis Distances at OUT level with 97%.A dot represents each sample. Orange triangles represent the SN samples. Green rhombus represents the PN samples. Blue squares represent the PN samples. Red balls represent the PH samples. PC1 explained 17.2% of the variation observed, while PC2 explained 5.53% of the variation