1. I. V. Kovtun and O. V. Smirnova,Ontogenez,24, No. 5, 34–42 (1993).
2. V. B. Rozen, G. D. Mataradze, O. V. Smirnova, and A. N. Smirnov,Sex Differentiation of Hepatic Function [in Russian], Moscow (1991).
3. O. V. Smirnova, M. L. Miroshnichenko, T. A. Shchelkunova,et al., Probl. Endokrinol.,29, No. 5, 65–70 (1983).
4. T. A. Shchelkunova, E. G. Kassirova, and A. N. Smirnov,Probl. Endokrinol.,33, No. 6, 61–65 (1987).
5. A. Blank, L. C. Eriksson, J.-A. Gustafsson, and H. J. Porsch,Carcionogenesis,12, 1259–1264 (1991).