. 2017 Jul 29;8(5):387–392. doi: 10.1111/1759-7714.12435
© 2017 The Authors. Thoracic Cancer published by China Lung Oncology Group and John Wiley & Sons Australia, Ltd
This is an open access article under the terms of the Creative Commons Attribution‐NonCommercial License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
Figure 3.
Funnel plot of publication bias. OR, odds ratio; SE, standard error.