. 2018 Apr 19;2018:2739428. doi: 10.1155/2018/2739428
Copyright © 2018 Pavlína Vodáčková 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 5.
SEM pictures of CPE (a and b) and tablets (c).