- Adenoviral vector demonstrates that angiotensin II-induced depression of the cardiac baroreflex is mediated by endothelial nitric oxide synthase in the nucleus tractus solitarii of the rat. Paton, J.F., Deuchars, J., Ahmad, Z., Wong, L.F., Murphy, D., Kasparov, S. J. Physiol. (Lond.) (2001)