Systematic Reviews
Copyright ©The Author(s) 2018.
World J Gastroenterol. Jul 7, 2018; 24(25): 2741-2763
Published online Jul 7, 2018. doi: 10.3748/wjg.v24.i25.2741
Figure 1
Figure 1 Preferred Reporting Items for Systematic Reviews and Meta-Analyses flowchart diagram for study selection.