1. Antioxidant Programme (Ministry of Agriculture, Fisheries and Food, UK, 1995).
2. Dizdaroglu, M. Meth. Enzymol. 234, 3–16 (1994).
3. Hamberg, M. & Zhang, L.-Y. Analyt. Biochem. 229, 336–344 (1995).
4. Ravanat, J.-L., Turesky, R. J., Gremaud, E., Trudel, L. J. & Stadler, R. H. Chem. Res. Toxicol. 8, 1039–1045 (1995).
5. Liu, P. K.et al. J. Neurosci. 16, 6795–6806 (1996).