. 2012 Mar 15;12:29. doi: 10.1186/1471-2431-12-29
Copyright ©2012 Kemper 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 2.
Treatment comparisons evaluated in the efficacy studies.