8Zhang FL, Wei Y J, Zhu J, et al. Simultaneous quantitation of three major triterpenoid glycosides in Centella asiatica extracts by high performance liquid chromatography with evaporative light scattering detection [ J]. Biomed Chromatogr, 2008, 22 (2) : 119-124.
9Gertz H J, Kiefer M. Review about Ginkgo biloba special extract GBE 761 (Ginkgo)[J].Curr Pharm Des, 2004, 10(3): 261-264.
10Luo YJ, Yu JP, Shi ZH, et al. Ginkgo biloba extract reverses CCl4-induced liver fibrosis in rats [J]. World J Gastroenterol, 2004, 10(3) : 1037-1042.