1. A. A. Pal'tsyn, A. K. Badikova, N. V. Chervonskaya, et al., Byull. Éksp. Biol. Med., No. 11, 621 (1988).
2. D. S. Sarkisov, A. A. Pal'tsyn, and B. V. Vtyurin, Electron-Microscopic Autoradiography of the Cell [in Russian], Moscow (1980).
3. P. Doermer and E. Thiel, J. Histochem. Cytochem.,24, 145 (1976).
4. J. A. Klein, J. L. McCulloch, and G. D. Weinstein, J. Invest. Dermatol.,86, No. 4, 406 (1986).
5. W. H. Schuette, S. S. Chen, S. I. Occhipinti, et al., Cell Tissue Kinet.16, 221 (1983)