Fig. 5From: The treatment of Qibai Pingfei Capsule on chronic obstructive pulmonary disease may be mediated by Th17/Treg balance and gut-lung axis microbiotaRelative abundance of the most prevalent intestinal bacteria at the genus level. Relative proportions of major bacterial genera (A) and those significantly differentially expressed among the three groups (B–L). Data are expressed as mean ± standard deviation (SD). *P < 0.05, **P < 0.01Back to article page