1. Gol’dberg, E.D., Dygai, A.M., Litvinenko, V.I., Popova, T.P., and Suslov, N.I., Shlemnik baikal’skii. Fitokhimiya i farmakologicheskie svoistva (Scullcap Scutellaria baicalensis: Phytochemistry and Pharmacological Properties), Tomsk, 1994.
2. Malikov, V.M. and Yuldashev, M.P., Khim. Prir. Soedin., 2002, no. 5, pp. 385–409.
3. Shibata, K. and Hattoris, S., Acta Phytochimica (Tokyo), 1930, vol. 5, pp. 117–118.
4. Popova, T.P., Litvinenko, V.I., and Kovalev, I.P., Khim. Prir. Soedin., 1973, no. 6, pp. 729–733.
5. Takido, M., Aimi, M., Takahashi, S., et al., Yakugaku Zasshi, 1975, vol. 95, pp. 108–113.