1. Berkman, C.E., Park, S.B., and Wrighton, S.A., Biochem. Pharmacology, 1995, vol. 50, no.4, pp. 565–570.
2. Newhouse, P.A., Sunderland, T., and Tariot, P.N., Psychopharmacology, 1988, vol. 95, no.1, pp. 171–173.
3. Prasad, C., Ikegami, H., Shimizu, I., and Onaivi, E.S., Life Sci., 1994, vol. 54, no.5, pp. 1169–1172.
4. Haass, M. and Kubler, N., Cardiovascular Drugs Therapy, 1996, vol. 10, no.2, pp. 657–665.
5. US Patent 5 015 741.