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Histology of the wound healing site in the mice with positive drug, CBM/CMC/EEO hydrogel and saline on days 3, 7, 14 and 21 respectively (a) The H&E-stained images of the mice wound tissue for treatment. (b) Masson-stained images of the mice wound tissue for treatment. GEL indicated CBM/CMC/EEO hydrogel. CBM carbomer 940, CMC carboxymethyl chitosan, EEO eucalyptus essential oil, PC positive control, NC negative control
