Bioassay-directed fractionation of a blood coagulation factor Xa inhibitor, betulinic acid from Lycopus lucidus

by Tan Yin-Feng, Wang Qiong, Gong Jing-Wen, Zhang Xu-Guang, Li Yong-Hui, Zhang Jun-Qing, Li You-Bin
Published 2018-03-01