Fig. 1From: Research on the wound healing effect of Shengji Huayu Formula ethanol extract-derived fractions in streptozotocin-induced diabetic ulcer ratsExperimental drugs used in negative control group, positive control drug group and four polar parts group. Take carbomer as substrate. Left (up): negative control (carbomer) and positive control (rb-bFGF). Right: four polarity components a Petroleum ether-extract; b Chloroform-extract; c Ethyl acetate-extract; d n-butanol-extractBack to article page