. 2013 Apr 23;2013:129193. doi: 10.1155/2013/129193
Copyright © 2013 A. C. Skinner and E. M. Foster.
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.
Schematic of search process.