TY  - JOUR 
T1  - Preparative separation and purification of bufadienolides from ChanSu by high-speed counter-current chromatography combined with preparative HPLC
JO  - Química Nova
A1  - Li, Jialian
A1  - Zhang, Yongqing
A1  - Lin, Yunliang
A1  - Wang, Xiao
A1  - Fang, Lei
A1  - Geng, Yanling
A1  - Zhang, Qinde
SN  - 0100-4042
UL  - 10.1590/S0100-40422013000500013
VL  - 36 
Y1  - 2013
PB  - Brasil 
ER  -