Signal Transduction / Nitric oxide / Animals / Male / New Zealand / Vascular endothelium / Acetylcholine / Real Time / NADPH oxidase / Clinical Sciences / Endothelial Function / Public health systems and services research / Circulation / Multienzyme complexes / Rabbits / Angiotensin II / Aorta / Mineralocorticoid Receptor / Superoxides / Radioimmunoassay / Vascular endothelium / Acetylcholine / Real Time / NADPH oxidase / Clinical Sciences / Endothelial Function / Public health systems and services research / Circulation / Multienzyme complexes / Rabbits / Angiotensin II / Aorta / Mineralocorticoid Receptor / Superoxides / Radioimmunoassay