Vascular effects of acute hyperglycemia in humans are reversed by L-arginine: evidence for reduced availability of nitric oxide during hyperglycemia. - Giugliano,D.; Marfella,R.; Coppola,L.; Verazzo,G.; Acampora,R.; Giunta,R.; Nappo,F.; Lucarelli,C.; D’Onofrio,F. (Circulation, 1997)