Meta-Analysis
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Dec 14, 2013; 19(46): 8780-8788
Published online Dec 14, 2013. doi: 10.3748/wjg.v19.i46.8780
Figure 3
Figure 3 A Begg’s funnel plot with pseudo 95% confidence limits showing the symmetrical distribution of included studies. This indicates that there was no publication bias.