. 2016 Oct 20;2016:8254571. doi: 10.1155/2016/8254571
Copyright © 2016 Rocco Borrello et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 4.
Histological aspect of the PA.