Fabrication of Hyaluronan-Poly(vinylphosphonic acid)-Chitosan Hydrogel for Wound Healing Application

Figure 7

Photographs of treated wound compared with untreated wound after implantation (a) and percentage of remaining wound areas implanted with sample HPCS4 and control at days 1, 3, 5, 7, 10, and 14 after implantation (b), < 0.01.

(a)

(b)