. 2011 Jun 3;6(6):e14817. doi: 10.1371/journal.pone.0014817
Mangia et al.
This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.
Figure 2. Trends in hospital mortality over 1992 – 2006.
