1. Y.-M. Lee, H. Kim, E.-H. Hong, B.-H. Kang, and S.-J. Kim, J. Ethnopharmacol., 73, 429 (2000).
2. Y.-H. Moon, M.-S. Yong, and K.-H. Park, J.Life Sci., 16, 423 (2006).
3. Y.-D. Min, H.-C. Kwon, M.-C. Yong, K.-H. Lee, S.-U. Chol, and K.-R. Lee, Ash. Pharm. Res., 30, 58 (2007).
4. E.-K. Park, H.-I. Phee, H.-S. Jung, S.-H. Ju, J.-A. Lee, S.-H. Lee, S.-J. Hong, H.-I. Yang, M.-C. Yoo, and K.-S. Kim, Phytother. Res., 21, 746 (2007).
5. R. Shakirov, M. V. Telezhenetskaya, I. A. Bessonova, S. F. Aripova, I. A. Israilov, M. N. Sultankhodzhaev, V. I. Vinogradova, V. I. Akhmedzhanova, T. S. Tulyaganov, B. T. Salimov, and V. A. Tel’nov, Alkaloids. Plants, Structure, and Properties [in Russian], Fan, Tashkent, 1996, pp. 288, 638, 794, 1035.