Axial Vascularization of Nano-HA/Collagen/PLA Composites by Arteriovenous Bundle

Figure 3

Hematoxylin and eosin (H&E) staining of specimens (magnification ×200): (a~c) 2, 6, and 10 weeks separately after implantation from Group A; (d~f) 2, 6, and 10 weeks separately after implantation from Group B. Black arrows showed vessels.

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(f)