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(A) In vitro wound healing assay by treatment of the scratched NIH/3T3 with purified haFGF and a haFGF standard. Scale bar represents 200 μm. (B) The cell numbers in the scratched areas of different groups. Results are representative of three independent experiments. Asterisks indicate statistical significance based on Student’s t-test (*p < 0.05, **p < 0.01, ***p < 0.001).
