Association of the Three Common SNPs of Cyclooxygenase-2 Gene (rs20417, rs689466, and rs5275) with the Susceptibility of Breast Cancer: An Updated Meta-Analysis Involving 34,590 Subjects
Figure 5
Funnel plot assessing evidence of publication bias from the eligible studies. (a) −765 G>C (rs20417); (b) −1195G>A (rs689466); and (c) 8473 C>T (rs5275).