Fig. 10From: Enhancement of sciatic nerve regeneration with dual delivery of vascular endothelial growth factor and nerve growth factor genesH&E staining of gastrocnemius muscles at 4 weeks after surgery in a, e PBS group, b, f VEGF group, c, g NGF group, and d, h VEGF + NGF group. The scale bar is a–c 200 μm, and d–f 50 μm respectivelyBack to article page