Figure 5
From: Polymorphisms in estrogen receptors predict the risk of male infertility: a meta-analysis
Begg’s funnel plot of publication bias test for the rs1256049 using the trim-and-fill method. (A) GA vs. GG. (B) AA + GA vs. GG. Each point represents a separate study for the indicated association. Log (OR), natural logarithm of OR. Horizontal line means effect size. The adjusted estimates obtained by using the random effects model for GA vs. GG and AA + GA vs. GG.