. 2012 Jun 27;12:485. doi: 10.1186/1471-2458-12-485
Copyright ©2012 Limm 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.
Mean (95% CI) SF-12 scores by problematic health status.