The Association between MTHFR Gene Polymorphisms and Hepatocellular Carcinoma Risk: A Meta-Analysis
Figure 5
Funnel plot analysis to detect publication bias.
Each point represents a separate study for the indicated association. A Funnel plot for contrast TT vs. CC of C677T polymorphism in overall analysis; B Funnel plot for allele contrast CC vs. AA of A1298C polymorphism in overall analysis.