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. 2016 Mar 22;7:343. doi: 10.3389/fmicb.2016.00343

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Copyright © 2016 Tang, Shi, Wang, Hao, Zhang and Zhang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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PCoA plots are presented of the first two axes based on (A) weighted and (B) unweighted Unifrac distance matrices showing the quantitative and qualitative clustering of samples.