. 2014 Feb 1;6(1):741–746. doi: 10.14661/2014.741-746
© 2014 The Authors
This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
Figure 2.
Survival rates in group 1 and group 2