Systematic Reviews
Copyright ©The Author(s) 2015.
World J Clin Oncol. Aug 10, 2015; 6(4): 64-72
Published online Aug 10, 2015. doi: 10.5306/wjco.v6.i4.64
Figure 1
Figure 1 Selection of randomized controlled trials included in the meta-analysis. RCTs: Randomized controlled trials.