Meta-Analysis
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastrointest Pharmacol Ther. Aug 6, 2013; 4(3): 69-79
Published online Aug 6, 2013. doi: 10.4292/wjgpt.v4.i3.69
Figure 1
Figure 1 Flow chart showing process of study selection and data extraction.