. 2019 May 15;2019:1692104. doi: 10.1155/2019/1692104
Copyright © 2019 Igor Zhirov 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 2.
Kaplan–Meier curves for the studied subgroups.