. 2014 Dec 9;2014:947539. doi: 10.1155/2014/947539
Copyright © 2014 Yeu-Sheng Tyan 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 6.
Image obtained after executing the URGA.