1. A. S. Kryuk, V. A. Mostovnikov, I. V. Khokhlov, and N. S. Serdyuchenko, Therapeutic Effectiveness of Low-Intensity Laser Radiation [in Russian], Minsk (1986).
2. T. I. Karu, in: Progress in Science and Technology. Series Physical Principles of Laser and Beam Technology [in Russian], VINITI, Moscow (1989), No. 4, 44–84.
3. V. E. Illarionov, Principles of Laser Therapy [in Russian], Respekt, Moscow (1992).
4. V. I. Karandashov, E. B. Petukhov, and V. S. Zrodnikov, Phototherapy [in Russian], Meditsina, Moscow (2001).
5. T. I. Karu, in: Biomedical Photonics Handbook, T. Vo-Dinh, ed., CRC Press LLC, Boca Raton, FL (2003), 48-1–48-21.