Meta-Analysis
Copyright ©The Author(s) 2015.
World J Gastroenterol. Apr 21, 2015; 21(15): 4757-4764
Published online Apr 21, 2015. doi: 10.3748/wjg.v21.i15.4757
Figure 1
Figure 1 Flow chart of the literature search according to PRISMA statement. RCTs: Randomized controlled trials.