. 2011 Mar 14;11:27. doi: 10.1186/1471-2288-11-27
Copyright ©2011 Willis and Quigley; licensee BioMed Central Ltd.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 3.
Distribution of broad categories of tests analysed.