. 2018 Mar 4;2018:5481909. doi: 10.1155/2018/5481909
Copyright © 2018 Erhua Yao 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.
The Kaplan-Meier curve for overall survival.