8Wang, s, Kozuka, et al. pharmacological properties of galenical preparations ( X V Ⅱ) : Active compounds in blood and bile of rats after oral administratiol of extracts of Polygalae Radix, J. Med. pharm Soc.WAKAN - YAKU, 1994:11 ( 1 ) : 44 - 49.
9Yoshihiro Kano, XiJun Wang el al. pharmacokinetic study of 6.7 - dimethylesculetin in rat, J. Traditional Medicine 1994; 11 ( 1 ): 176-180
10Feng Qu, Studies on the pharmacological properties of Traditional Chinese Medicine."Mori Cortex, Dissertation for the degree of philosophy in Hokkaido institute of pharmaceutical seience, 1996:Japan.