Fig. 2From: Epidermal growth factor or platelet-rich plasma combined with induced membrane technique in the treatment of segmental femur defects: an experimental studyPathological images of fracture healing in experimental cases. a Microscopic image of prepatellar stained with CD 31 at ×200 magnification (brown areas indicate endothelial cells stained with CD 31). b Microscopic image of prepatellar stained with hematoxylin eosin at ×200 magnification (areas of inflammatory granulation tissue was shown)Back to article page