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O2 supplementation increased VEGFA antibody in the tibial hypertrophic zone. (A-D) The number of the immunohistochemical staining and analysis of the results were analyzed using Image-Pro® Plus 6.0 and SPSS 17.0, respectively. Scale bar=100 µm. The data are expressed as the mean±SD. Student's t test, ***p<0.001, n=9; ns: not significant; NHG: natural hypoxia group; OSG: oxygen supplementation group.
