1. M. D. Mashkovskii, S. D. Yuzhakov, L. V. Rozenshtraukh, et al., USSR Patent No. 1827067.
2. V. I. Metelitsa,Kardiologiya, No. 11, 57 - 62 (1989).
3. USSR Inventor's Certificate No. 1132505, S. D. Sokolov, O. G. Azarevich, M. V. Berg, et al.,Byull. Otkryt. Izobret., No. 48, 202 (1984).
4. M. L. Belen'kii,Elements of the Quantitative Appraisal of the Pharmacological Effect [in Russian], Riga (1959).
5. A. G. H. Blakelly and R. J. Summers,Gen. Pharmacol.,9(6). 399 - 402 (1978).