1. L. V. Andreev, Fiziol. Zh. SSSR, No. 6, 764 (1961).
2. P. S. Vasil'ev et al., in: Current Problems in Hematology and Blood Transfusion [in Russian], No. 34, Moscow (1959), p. 47.
3. T. V. Vorob'eva and G. K. Shlygin, Vopr. Pitaniya, No. 2, 18 (1970).
4. P. E. Kalmykov and T. I. Golubev, Sov. Med., No. 3, 66 (1956).
5. A. E. Kiselev et al., Reference Book on Blood Substitutes and Preparations [in Russian], Moscow (1969).