1. M. G. Abramov, Clinical Cytology [in Russian], Moscow (1974).
2. Yu. A. Vladimirov and M. P. Sherstnev, Progress in Sciences and Technology: Series: Biophysics [in Russian], Vol. 24, Moscow (1989).
3. T. I. Karu, T. P. Ryabykh, G. E. Fedosoeva, et al., Radiobiologiya,29, No. 2, 230 (1989).
4. A. S. Kryuk, V. A. Mostovnikov, I. V. Khokhlov, et al., Therapeutic Efficacy of Low-Intensity Laser Radiation [in Russian], Minsk (1986).
5. S. M. Fischer and L. M. Adams, Proc. Am. Assn. Cancer Res.,25, 82 (1984).