. 2015 Oct 16;4(12):1884–1900. doi: 10.1002/cam4.540
© 2015 The Authors. Cancer Medicine published by John Wiley & Sons Ltd.
This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Figure 11.
Groups for meta‐analysis with four PMs.