Systematic Reviews
Copyright ©The Author(s) 2016.
World J Gastrointest Surg. Mar 27, 2016; 8(3): 252-265
Published online Mar 27, 2016. doi: 10.4240/wjgs.v8.i3.252
Figure 1
Figure 1 Preferred reporting items for Systematic Reviews and Meta-Analyses flow diagram.