1. N. N. Demin, Abstracts of Proceedings of an All-Union Symposium on the Physiological Role of Mediators [in Russian], Kazan (1972), p. 83.
2. P. P. Denisenko, Abstracts of Proceedings of an All-Union Symposium on the Physiological Role of Mediators [in Russian], Kazan (1972), p. 82.
3. A. S. Kaplanskii, G. N. Durnova, and N. A. Roshchina, in: Uchen. Zapiski Kabardino-Balkarsk. Univ. (Nal'chik), No. 33, 201 (1967).
4. I. A. Komissarova and R. P. Nartsissov, Lab. Delo, No. 7, 390 (1966).
5. R. P. Nartsissov, Arkh. Anat., No. 5, 85 (1969).