Objective:To explore the regeneration and restoration effect of MEBT/MEBO and bFGF in treating chronic and refractory wounds so as to find a new method to treat skin chronic ulcers.Method:60 patients meeting inclusion criteria were collected and divided into treatment group(MEBO group,n = 30) and control group(bFGF group,n = 30) randomly.The changes of the size,depth,feeling of pain,the growth of granulation,wound healing time and scar formation were observed and recorded in two groups at the time point of ...