. 2011 Jun 27;2011:818217. doi: 10.1155/2011/818217
Copyright © 2011 Y. Sirivatanauksorn and C. Tovikkai.
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 2.
Kaplan-Meier survival curves of overall survival.