Fig. 4From: Research on the wound healing effect of Shengji Huayu Formula ethanol extract-derived fractions in streptozotocin-induced diabetic ulcer ratsA Effect of HE staining of wound granulation tissue at day 9. B and C The epidermis thickness and healing width 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