1. M. Fisher and V. Shebitts, Zh. Nevrol. Psikh., 1, 21 – 23 (2001).
2. Federal Handbook on the Use of Drugs [in Russian], Moscow (2005), Issue 6, p. 316.
3. R. G. Glushkov, L. N. Dronova, M. D. Mashkovskii, et al., RF Pat. No. 2,095,350; Byull. Izobret., No. 31 (1997)
4. R. G. Glushkov, L. N. Dronova, L. A. Nikolaeva, et al., USSR Pat. No. 1,587,866 (1990).
5. Comprehensive Medical Encyclopedia [in Russian], Soviet Encyclopedia, Moscow (1986), pp. 526 – 527.