Fig. 4
From: Effects of electrode placement on electrical stimulation for wound healing

H&E wound healing effect of electrode placement in ES treatment (a) Representative images of H&E staining of skin tissue after 17 days. Red arrows indicate the wound edge. Black arrows indicate granulation tissue. (b) epithelium and (c) granulation tissue gap based on H&E. *p < 0.05 by Kruskal Wallis test.