. 2014 Mar 4;2014:768254. doi: 10.1155/2014/768254
Copyright © 2014 Duk-Yeon Kim 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 1.
SEM of pure HA raw powder.