Figure 1From: Role of vascular endothelial growth factor polymorphisms (-2578C > A, -460 T > C, -1154G > A, +405G > C and +936C > T) in endometriosis: a case–control study with Brazilians Allelic frequencies of VEGF polymorphism in cases and controls. P value from Chi-square test (Pearson p-value).Back to article page