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In vivo animal experiments with positive drug, CBM/CMC/EEO hydrogel and saline on days 3, 7, 14 and 21 respectively. (a) Representative visual wound appearance (the scale presents the dimensions in mm). (b) Wound healing rate comparison for treatment. GEL indicated CBM/CMC/EEO hydrogel. CBM carbomer 940, CMC carboxymethyl chitosan, EEO eucalyptus essential oil, PC positive control, NC negative control
