Fig. 8From: Effects of electromagnetic fields treatment on rat critical-sized calvarial defects with a 3D-printed composite scaffoldNeovascularization evaluated by micro-CT-based angiography. a Representative 3D reconstructed images of new blood vessels formation in the calvarial defects in each group at 6 weeks. b Local vessel area and c vessel number quantification analysis in different groups at 6 weeks (n = 6). n.s. indicated no significance (*P < 0.05, **P < 0.01)Back to article page