[Determination of biological activity of extract from hirudo by N-benzoyl-L-arginine ethyl ester].
Guan
Shixia
S
College of Chinese Pharmacy, Guangzhou University of Chinese Medicine, Guangzhou 510006, China. drguan@vip.gzhtcm.edu.cn
Peng
Can
C
Li
Haigang
H
Xu
Shuqin
S
Yuan
Zhongwen
Z