1. A. M. Popov, V. V. Novikov, O. S. Radchenko, et al., Dokl. Ross. Akad. Nauk, 385(5), 693–698 (2002).
2. A. M. Popov, L. N. Atopkina, N. I. Uvarova, et al., Dokl. Ross. Akad. Nauk, 380(1), 412–416 (2001).
3. A. M. Popov and N. I. Kulesh, Proceedings of the 6th Int. Congr. “Current Problems in Development of New Medicinal Preparations of Natural Origin” [in Russian], St. Petersburg (2002), pp. 487–490.
4. M. B. Kastan, Biochim. Biophys. Acta, 1424, 37–42 (1999).
5. E. R. T. Tiekink, Crit. Rev. Oncol./Hematol., 42, 217–224 (2002).