1. Mudd, S. H., Levy, H. L., Skovby, F. Disorders of Transulfura- tion. In: Scriver, C., Beaudet, A. L., Sly, W. S., Valle, D., Eds. The Metabolic Basis of Inherited Disease. 6th Edit. McGraw-Hill: New York, 1989: pp. 693–734.
2. Boers, G. H., Smals, A. G., Trijbels, F. J.et al. Heterozygosity for homocystinuria in premature peripheral and cerebral occlusive arterial disease. N. Engl. J. Med. 1985: 313, 709–15.
3. Brattstrom, L. E., Hardebo, I.E., Hultberg, B. L. Moderate homocysteinemia - a possible risk factor for arteriosclerotic cere- brovascular disease. Stroke 1984: 15, 1012–6.
4. Clarke, R., Daly, L., Robinson, K., Naughten, E., Cahalane, S., Fowler, B., Graham, I. Hyperhomosysteinemia: an independent risk factor for vascular disease. N. Engl. J. Med. 1991: 324, 1149–55.
5. Malinow, M. R., Kang, S. S., Taylor, L. M.et al. Prevalence of hyperhomocyst(e)inemia in patients with peripheral arterial occlusive disease. Circulation 1989: 79, 1180–8.