Meta-Analysis
Copyright ©The Author(s) 2018.
World J Gastroenterol. Jun 28, 2018; 24(24): 2628-2639
Published online Jun 28, 2018. doi: 10.3748/wjg.v24.i24.2628
Figure 1
Figure 1 Literature screening process. RCTs: Randomized controlled trials; OCS: Observational clinical studies.