Fig. 5From: Regeneration of sciatic nerve crush injury by a hydroxyapatite nanoparticle-containing collagen type I hydrogelHistogram comparing the amplitudes of the compound muscle action potential (CMAP) and the electromyographic waves of all study groups 12 weeks post-surgery. Values represent the mean ± SD, n = 4, *P < 0.05, ***P < 0.005 (obtained by one-way ANOVA)Back to article page