. 2013 Jun 28;17(3):257–262. doi: 10.5114/wo.2013.35785
Copyright © 2013 Termedia
This is an Open Access article distributed under the terms of the Creative Commons Attribution-Noncommercial 3.0 Unported License, permitting all non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Fig. 3.
Kaplan-Meier curve for progression-free survival (PFS)