Fig. 6From: Research on the wound healing effect of Shengji Huayu Formula ethanol extract-derived fractions in streptozotocin-induced diabetic ulcer ratsA Effect of VEGF immunohistochemistry at day 9. Positive cells marked in black arrows in the pictures. B VEGF positive expression of wound tissues at day 9. Negative control:carbomer; Positive control:rb-bFGF; CHCl3: Chloroform-extract; n-butanol: n-butanol-extract. *p < 0.05 vs negative controlBack to article page