. 2012 Aug 20;16(4):R160. doi: 10.1186/cc11483
Copyright ©2012 Davidson et al.; 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 1.
Patient enrollment flow chart.