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. 2019 May 21;9:149. doi: 10.3389/fcimb.2019.00149

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Copyright © 2019 Tong, Su, Xu, Xu, Yang, Xu, Dai, Huang, Zou, Zhang, Pei, Xiao, Li and Wang.

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) and the copyright owner(s) 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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Microbiota composition of BALF samples in IPF and healthy subjects. The microbiota in IPF patients and healthy subjects (including smokers and non-smokers) were shown at the phylum (A), class (B), order (C), family (D), and genus (E) levels. Species with a median relative abundance larger than 0.01% of the total abundance in either the control group or the IPF group were included for comparison. P stands for IPF group, N stands for non-smoking normal subjects, S stands for smoking normal subjects. All results are presented as the median, the 25–75 % percentiles and the variation range; results for IPF group (P) are presented as yellow boxes, smoking control subjects (S) are marked with pink boxes and non-smoking control subjects (N) are marked with violet boxes. Blue dots represent the abnormal observations at the corresponding taxonomic levels.