Fig. 3From: A case–control study on the association of intestinal flora with ulcerative colitisOTU Rank graph showing the comparison of species richness between UC patients and healthy controls (normal). The side bar shows color identifications for 30 disease samples and 10 normal samples, denoted as D1-30 and N1-10, respectively. A clear divergence in the normal samples OTUs was observedBack to article page