Oxidative stress in diabetes-induced endothelial dysfunction involvement of nitric oxide and protein kinase C - Pricci, Flavia; Leto, Gaetano; Amadio, Lorena; Iacobini, Carla; Cordone, Samantha; Catalano, Stefania; Zicari, Alessandra; Sorcini, Mariella; Di Mario, Umberto; Pugliese, Giuseppe (Free Radical Biology & Medicine, 2003)