1. Yu. G. Ivannikov, V. I. Il'enko, S. S. Galitarov, and G. M. Maiboroda, Temporary Technical Instructions for the Work of Supporting Bases of the All-Union Center for Influenza and Acute Respiratory Diseases [in Russian], Leningrad (1979).
2. V. M. Nikitin, Reference Book of Methods in Immunology [in Russian], Kishinev (1982).
3. N. P. Taranova, Vopr. Med. Khimii,22, No. 4, 567 (1976).
4. C. R. Alving and S. C. Kinsky, Immunochemistry,8, No. 4, 325 (1971).
5. V. P. Calabrese, J. Neurosci. Meth.,11, No. 2, 137 (1984).