How to cite this article: Xuan, C. et al. Dimethylarginine Dimethylaminohydrolase 2 (DDAH 2) Gene Polymorphism, Asymmetric Dimethylarginine (ADMA) Concentrations, and Risk of Coronary Artery Disease: A Case-Control Study. This evidence concerns the gene DDAH2 and coronary artery disorder.