1. Xinjiang Herbal Committee, Xinjiang Herbal [in Chinese], Xinjiang, 1973, p. 50.
2. Z. R. Wang and X. Z. Bai, J. Guangxi Univ., 10, 15 (1998).
3. Y. W. Zhang and X. Li, J. Shenyang Pharm. Univ., 1, 213 (2007).
4. Z. P. Gao and S. W. Li, Chin. Pharm. J., 38, 260 (2003).
5. P. Caballero and C. M. Smith, J. Nat. Prod., 49, 1126 (1986).