1. L. N. Bogatskaya, in: Proceedings of the 9th International Congress of Gerontologists [in Russian], Vol. 2, Kiev (1972), p. 67.
2. M. I. Gurevich and S. A. Bershtein, Smooth Muscles of Blood Vessels and Vascular Tone [in Russian], Kiev (1972).
3. A. V. Kolosov, in: Abstracts of Proceedings of the 3rd All-Union Congress of Gerontologists and Geriatricians [in Russian], Kiev (1976), p. 116.
4. V. G. Korotonezhkin, ?Age differences in regulation of the cell membrane potential level (with particular reference to muscle fibers and liver cells),? Candidate's Dissertation, Kiev (1972).
5. O. A. Martynenko and V. R. Korotonozhkin, in: Proceedings of the 9th International Congress of Gerontologists [in Russian], Vol. 3, Kiev (1972), p. 33.