. 2007 May 22;8:32. doi: 10.1186/1471-2296-8-32
Copyright © 2007 Wahls and Cram; 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 2.
Distribution of the diagnostic studies missed.