A common variant of endothelial nitric oxide synthase (Glu298Asp) is an independent risk factor for carotid atherosclerosis. - Lembo,G.; De Luca,N.; Battagli,C.; Iovino,G.; Aretini,A.; Musicco,M.; Frati,G.; Pompeo,F.; Vecchione,C.; Trimarco,B. (Stroke, 2001)