1. Yu. M. Levin, In book: Proceedings of the 4th Plenum of Pathophysiologists of Siberia and the Far East [in Russian], Tomsk (1962), p. 54.
2. M. E. Marshak, In book: Modern Methods of Investigation of the Functions of the Cardiovascular System [in Russian], Moscow (1963), p. 179.
3. G. I. Mchedlishvili, Fiziol. zh. SSSR, No. 10 (1959), p. 1221.
4. V. A. Negovskii, The Pathophysiology and Treatment of Agony and Clinical Death [in Russian], Moscow (1954).
5. I. R. Petrov, Z. A. Raiko, and T. E. Kudritskaya, Fiziol. zh. SSSR, No. 2 (1957), p. 107.