1. I. I. Karuzina and A. I. Archakov, Modern Methods in Biochemistry [in Russian], Moscow (1977), pp. 49?62.
2. G. I. Paramonova, Farmakol. Toksikol., No. 1, 98 (1981).
3. V. V. Frol'kis, Aging: Neurohumoral Mechanisms [in Russian], Kiev (1981).
4. V. V. Frol'kis and Kh. K. Muradyan, Experimental Ways of Prolonging Life [in Russian], Leningrad (1988).
5. M. B. Baird, Exp. Gerontol.,18, No. 1, 47 (1983).