1. M. F. Barkhotkina, V. M. Bukhman, N. I. Belyanchikova, et al., in: Current Problems in Experimental Chemotherapy of Tumors [in Russian], N. P. Konovalova, ed., Vol. 1, Chernogolovka (1980), p. 176.
2. V. M. Bergol'ts, N. S. Kislyak, and V. S. Eremeev, Immunology and Immunotherapy of Leukemia [in Russian], Moscow (1978).
3. I. G. Bogdanov, V. G. Velichkov, A. P. Gurevich, et al., Byull. �ksp. Biol. Med., No. 12, 709 (1977).
4. V. M. Krimker, D. A. Bodyagin, A. B. Syrkin, et al., in: Current Problems in Experimental Chemotherapy of Tumors [in Russian], N. P. Konovalova, ed., Vol. 1, Chernogolovka (1980), p. 84.
5. I. B. Sorokina, �. L. Khasman, N. P. Gor'kova, et al., Byull. �ksp. Biol. Med., No. 4, 449 (1980).