Meta-Analysis
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Jun 28, 2013; 19(24): 3883-3891
Published online Jun 28, 2013. doi: 10.3748/wjg.v19.i24.3883
Figure 6
Figure 6 Risk of bias summary (A) and bias assessment for each individual study (B).