Insulin resistance in spontaneously hypertensive rats is associated with endothelial dysfunction characterized by imbalance between NO and ET-1 production. - Potenza,MA.; Marasciulo,FL.; Chieppa,DM.; Brigiani,GS.; Formoso,G.; Quon,MJ.; Montagnani,M. (Am J Physiol Heart Circ Physiol, 2005)