Meta-Analysis
Copyright ©The Author(s) 2017.
World J Gastrointest Oncol. Dec 15, 2017; 9(12): 475-491
Published online Dec 15, 2017. doi: 10.4251/wjgo.v9.i12.475
Figure 1
Figure 1 Flow diagram of the systematic literature search and study selection according to prisma statement. RCT: Randomized control trial; CCT: Controlled clinical trial.