Meta-Analysis
Copyright ©2014 Baishideng Publishing Group Co.
World J Gastroenterol. May 7, 2014; 20(17): 5124-5130
Published online May 7, 2014. doi: 10.3748/wjg.v20.i17.5124
Figure 1
Figure 1 Flow diagram of the study selection strategy for this meta-analysis.