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2. N. L. Garmaeva and N. N. Konstantinova, Introduction to Perinatal Medicine [in Russian], Moscow (1978).
3. L. I. Korochkin, O. L. Serov, A. I. Podovkin, et al., Genetics of Isozymes [in Russian], Moscow (1977).
4. P. I. Tsapok, Vopr. Okhr. Mat., No. 5, 51 (1984).
5. N. I. Tsirel'nikov, S. A. Senchuk, N. Z. Manveladze, et al., Abstracts of Proceedings of the 4th All-Union Conference on Cell Pathology [in Russian], Moscow (1984), p. 31.