Association between eNOS 4b/a Polymorphism and the Risk of Diabetic Retinopathy in Type 2 Diabetes Mellitus: A Meta-Analysis

<table>The forest plot of aa versus bb of eNOS polymorphism and overall DR risk.</table>

Journal of Diabetes Research

Figure 3: Association between eNOS 4b/a Polymorphism and the Risk of Diabetic Retinopathy in Type 2 Diabetes Mellitus: A Meta-Analysis 