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. 2021 Dec 14;12:781797. doi: 10.3389/fmicb.2021.781797

FIGURE 4.

FIGURE 4

Relationship between airway microbiota and CASA-Q score in chronic obstructive pulmonary disease patients. EB, Enterobacterales.**p < 0.001 (chi-square test between clusters 1 and 3).