1. E. V. Kochetkova, I. M. Lyampert, V. Yu. Kolesnikova, et al., Immunologiya, No. 2, 77 (1980).
2. I. M. Lyampert, L. V. Beletskaya, N. A. Borodiyuk, et al., Immunology,31, 47 (1976).
3. V. I. Mazurov, The Biochemistry of Collagen Proteins [in Russian], Moscow (1974).
4. R. V. Petrov and R. M. Khaitov, Usp. Sovrem. Biol.,88, 307 (1979).
5. G. A. Ugryumova, I. M. Lyampert, V. Yu. Kolesnikova, et al., Byull. Éksp. Biol. Med., No. 12, 685 (1977).