Meta-Analysis
Copyright ©2014 Baishideng Publishing Group Inc.
World J Gastroenterol. Nov 7, 2014; 20(41): 15440-15447
Published online Nov 7, 2014. doi: 10.3748/wjg.v20.i41.15440
Figure 1
Figure 1 Flow chart of the selection of studies included in the meta-analysis.