1. V. V. Valiullin and N. P. Rezvyakov, Byull. Éksp. Biol. Med.,96, No. 9, 38 (1983).
2. V. V. Valiullin and N. P. Rezvyakov, Byull. Éksp. Biol. Med., No. 11, 521 (1986).
3. V. V. Valiullin, R. R. Islamov, M. E. Valiullina, and G. I. Poletaev, Byull. Éksp. Biol. Med., No. 2, 201 (1991).
4. E. M. Volkov, Usp. Fiziol. Nauk,20, No. 2, 26 (1989).
5. P. I. Anderson and H. K. Bernstad, Brit. J. Phys., No. 4, 601 (1981).