Fig. 4
From: Clinical efficacy of metformin in familial adenomatous polyposis and the effect of intestinal flora
Venn diagram. Note: Blue circles represent baseline levels in the placebo group, green circles represent baseline levels in the test group, yellow circles represent after 1Â year in the placebo group, and orange circles represent after 1Â year in the test group. Overlapping portions of different circles indicate ASVs sequences common to both groups. The numbers labeled in the figure represent the number of ASVs sequences in different sections