1. G. N. Kryzhanovskii, N. A. Krupina, and V. G. Kucheryanu,Byull. Eksp. Biol. Med.,119, N o 2, 125–128 (1995).
2. E. V. Shchetinin, V. A. Baturin, E. B. Arushanyan,et al., Zh. Vyssh. Nervn. Deyat.,39, N o 5, 958–964 (1989).
3. R. Markstein and P. L. Herrling,J. Neurochem.,31, N o 5, 1163–1172 (1978).
4. R. Mayeux, in:Handbook of Parkinson's Disease, Ed. W. C. Koller, New York-Basel (1987), pp. 127–144.
5. C. Theohar, K. Fischer-Cornellson, H. O. Akesson,et al., Curr. Ther. Res. 30, 830–842 (1981).