1. Takagi K., Saito H. and Tsuchiya M. (1972): Pharmacological studies ofPanax ginseng root: pharmacological properties of a crude saponin fraction. Jap. J. Pharmacol.,22, 339–346.
2. Namba T., Yoshizaki M., Tomimori T., Kobashi K., Mitsue K., and Hase J. (1973): Hemolytic and protective activity of ginseng saponins. Chem. Pharm. Bull.,21(2), 459–461.
3. Kaku T., Miyata T., Urono T., Sako I., and Kinoshita A. (1975): Chemical-pharmacological studies on saponins of Panax ginseng. C.A. Meyer. Arzneim-Forsch.,25(3), 343–347.
4. Chen S.E, and Staba E.J. (1978): American ginseng I. Large scale isolation of ginsenosides from leaves and stems. Lloydia,41(4), 361–366.
5. Shibata S. (1974): Some chemical studies on ginseng. Proc. Inst. Ginseng Symp. (Seoul, Korea), 69–76.