Meta-Analysis
Copyright ©The Author(s) 2016.
World J Gastroenterol. Feb 7, 2016; 22(5): 1911-1918
Published online Feb 7, 2016. doi: 10.3748/wjg.v22.i5.1911
Figure 1
Figure 1 Forest plot for the association between the glutathione S-transferase M1 polymorphism and esophageal cancer risk.
Figure 2
Figure 2 Funnel plot evaluating the risk of publication bias in this meta-analysis.