1. S. A. Aristarkhova, E. B. Burlakova, and N. G. Khrapova, in: Bioantioxidants [in Russian], Moscow (1975), p. 58.
2. O. N. Voskresenskii, Vopr. Med. Khim.,19, 87 (1973).
3. V. Z. Gorkin, Ukr. Biokhim. Zh.,31, 270 (1959).
4. V. I. Lopushanskii, Kardiologiya, No. 9, 130 (1974).
5. M. N. Merzlyak, A. T. Basenova, Yu. N. Kaurov, et al., in: Bioantioxidants [in Russian], Moscow (1975), p. 161.