1. G. N. Aronova and T. A. Maevo, Fiziol. Zh. SSSR44, No. 10, 952 (1958).
2. I. A. Baryshnikov, N. V. Bekauri, and E. A. Moiseev, Proceedings of the I. P. Pavlov Physiological Institute [in Russian], No. 4, Leningrad. (1949), p. 211.
3. N. V. Kaverina, The Pharmacology of the Coronary Circulation [in Russian], Moscow (1963).
4. A. V. Tonkikh, A. I. Il'ina, and S. I. Teplov, Fiziol. Zh. SSSR15, 753 (1959).
5. V. M. Khayutin, V. M. Donchakov, and V. L. Tsaturov, Byull Éksp. Biol.45, No. 2, 117 (1958).