731395.fig.009a
(a)
731395.fig.009b
(b)
Figure 9: (a) Nucleus counter stained with DAPI showed blue and red for BMP-2 positive products. (b) AOD was measured and data are expressed as the mean ± SD (ANOVA); , compared with the control group; , compared with sham compressed group, , compared with the model group on 56 days and compared with 28 days in EA group.