1. S. V. Anichkov, in: New Therapeutic Substances in Experimental and Clinical Practice [in Russian], Leningrad (1958), p. 5.
2. S. V. Anichkov and P. P. Denisenko, in: The Pharmacology of New Sedatives and Their Clinical Application [in Russian], Leningrad (1962), p. 5.
3. É. P. Bekhtereva, Comparative Effects of Central M- and N-cholinolytics on Pituitary Gonadotropic Function. Author's Abstract of Candidate's Dissertation, Leningrad (1967).
4. M. A. Petrov-Maslakov, A. N. Poskalenko, and E. S. Kononova, in: Theoretical and Practical Aspects of the Use of Oral Contraceptives [in Russian], Budapest (1968), p. 57.
5. A. N. Poskalenko, I. V. Tomilina, and V. P. Makusheva, in: Pharmacology of Central Cholinolytics and Other Neurotropic Agents [in Russian], Leningrad (1969), p. 68.