. 2012 Aug 27;2012:978391. doi: 10.1155/2012/978391
Copyright © 2012 Robert I. Griffiths et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Unadjusted cumulative cost.