1. I. M. Bogdanova, G. T. Sukhikh, and V. V. Malaitsev, Immunologiya, No. 1, 21 (1982).
2. G. T. Sukhikh, V. V. Malaitsev, and I. M. Bogdanova, Dokl. Akad. Nauk SSSR,278, 762 (1984).
3. V. D. Solo'ev and T. A. Bektemirov, Interferons in the Theory and Practice of Medicine [in Russian], Second Edition, Moscow (1981).
4. E. De Clercq and P. F. Torrence, J. Gen. Virol.,37, 619, (1977).
5. R. Ehrlich et al., J. Immunol. Methods,40, 193 (1981).