1. E. B. Vladimirskaya, Biological Bases of Antitumor Therapy [in Russian], Moscow (2001).
2. O. R. Grek, S. V. Pozdnyakova, A. P. Nadev, et al., Eksp. Klin. Farmakol., 68, No. 6, 49–51 (2005).
3. N. A. Zhukova, D. E. Semyonov, I. V. Sorokina, et al., Byull. Eksp. Biol. Med., 140, No. 9, 348–350 (2005).
4. E. L. Lushnikova, M. G. Klinnikova, O. P. Molodykh, and L. M. Nepomnyashchikh, Ibid., 139, No. 4, 470–475 (2005).
5. N. I. Petrenko, N. V. Yelantseva, and V. Z. Petukhova, Khimiya Prirodnykh Soedinenii, No. 4, 276–283 (2002).