eNOS4 polymorphism of the endothelial nitric oxide synthase predicts risk for severe diabetic retinopathy. - Taverna,M.J.; Sola,A.; Guyot-Argenton,C.; Pacher,N.; Bruzzo,F.; Chevalier,A.; Slama,G.; Reach,G.; Selam,J.L. (Diabet Med, 2002)