Figure 1 from: Mohammad JA, Almulathanon AAY, Fathi FH (2021) Assessment of the effects of metformin and glibenclamide on the concentration of selected trace elements in type 2 diabetic patients. Pharmacia 68(4): 845-849. https://doi.org/10.3897/pharmacia.68.e72080

Figure 1 Effects of metformin versus glibenclamide on serum concentrations of A) Cu, B) Zn, and C) Mg in type 2 diabetic patients.* indicates statistically significant differences compared to the control group (**p < 0.01; ***p < 0.001; ****p < 0.0001); # indicates statistically significant differences compared to the newly diagnosed group (#p < 0.05; ###p < 0.001); $ indicates statistically significant differences between the metformin and glibenclamide treated groups, as determined by the Kruskal-Wallis test followed by a Dunn's multiple comparisons post-hoc test.