Meta-Analysis
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Jun 28, 2013; 19(24): 3866-3871
Published online Jun 28, 2013. doi: 10.3748/wjg.v19.i24.3866
Figure 1
Figure 1 Flowchart of the selection process for this meta-analysis.