1. N. N. Dygalo, Vopr. Med. Khim.,33, No. 4, 126 (1987).
2. N. N. Dygalo and E. V. Naumenko, Ontogenez,19, No. 3, 319 (1988).
3. E. V. Maksimova, Neuroontogeny [in Russian], Moscow (1985), p. 6.
4. N. I. Puzyreva, R. M. Laryushkina, and N. K. Ryzhkova, The Respiratory Distress Syndrome and Lung Surfactant in the Newborn [in Russian], Moscow (1987).
5. V. V. Raevskii, Neuroontogeny [in Russian], Moscow (1985), p. 199.