8Ikram ME, Milton JA, Paruchuri VP, et al. Effect of Hyperbaric Oxygen Treatment on Nitric Oxide and Oxygen Free Radicals in Rat Brain[J]. Neurophysiol, 2000, 83:2 022.
9ZS Katusic, J Schugel, F Cosentino, et al. Endothelium-dependent contractions to oxygen derived free radicals in the canine basilar artery[J]. Am J Phsioil, 1993, 264: 859-864.