Meta-Analysis
Copyright ©The Author(s) 2018.
World J Gastroenterol. Apr 28, 2018; 24(16): 1812-1824
Published online Apr 28, 2018. doi: 10.3748/wjg.v24.i16.1812
Figure 1
Figure 1 PRISMA flowchart of search strategy with inclusions and exclusions.