B. Bayoglu, M. Ersoz, P. Cagatay, C. Ciftci, and B. S. Duman, “Lack of association between endothelial nitric oxide synthase glu298Asp variation, visceral obesity and insulin related phenotypes in Turkish type 2 diabetic patients”, ama, vol. 37, no. 2, pp. 91–98, Nov. 2008.