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Effect of UV-B irradiation on dorsal skin from hairless mice treated with fermented milk or exopolysaccharide (EPS). The overall appearance of hairless mice exposed to UV-B irradiation (a); hematoxylin and eosin (H&E) stained dorsal skin sections (b); and Ki-67 immuno-histochemical staining of dorsal skin section (c) 72 h after a single dose of UV-B irradiation.
