Meta-Analysis
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Dec 7, 2014; 20(45): 17218-17226
Published online Dec 7, 2014. doi: 10.3748/wjg.v20.i45.17218
Figure 1
Figure 1 Flow chart of the literature search according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement.