1. G. G. Avtandilov, Medical Morphometry [in Russian], Moscow (1990).
2. E. D. Gol’dberg and E. P. Zueva, Plant Preparations in Combination Therapy of Malignant Neoplasms [in Russian], Tomsk (2000), p. 42.
3. N. I. Petrenko, N. V. Elantseva, V. Z. Petukhova, et al., Khim. Prirodn. Soed., No. 4, 276–283 (2002).
4. A. G. Pokrovskii, O. A. Plyasunova, T. N. Il’icheva, et al., Khimiya Interesakh Ustoichivogo Razvitiya, 9, 485–491 (2001).
5. E. A. Semenova, O. A. Plyasunova, N. I. Petrenko, et al., Dokl. Akad. Nauk, 391, No. 4, 556–558 (2003).