1. X.-Y. Chen and S.-H. Wang, Chin. Tradit. Herb. Drugs, 12, 25 (1981).
2. Sirafil, Askar, Ilhamjan, Xawkat, and Halmurat, Chin. J. Biochem. Mol. Biol., 17, 226 (2001).
3. Abdiryim, Israpil, and Halmurat, Chin. Pharm. Bull., 17, 648 (2001).
4. Sirafil, Gulnar, and F. Liu, Chin. J. Tradit. Drugs, 2, 35 (1996).
5. J. H. Sheu, K. C. Hung, G. H. Wang, and C. Y. Duh, J. Nat. Prod., 63, 1603 (2000).