. 2017 Apr 27;8(25):41518–41528. doi: 10.18632/oncotarget.17456
Copyright: © 2017 Zou et al.
This is an open-access article distributed under the terms of the Creative Commons Attribution License 3.0 (CC BY 3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Figure 1. Studies evaluated for inclusion in this meta-analysis.
