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Terminal deoxynucleotidyl transferase-mediated dUTP nick end labeling of corneal cells (magnification, ×250). Normal epithelial cells were stained intense blue and apoptotic epithelial cells were stained intense brown (diaminobenzidine). (A) PBS group and (B) FGF10 group 3 days after treatment. (C) PBS group, (D) FGF10 group and (E) normal control group 7 days after treatment. PBS, phosphate-buffered saline; FGF10, fibroblast growth factor 10.
