[Simultaneous isolation and purification of gallic acid and brevifolincarboxylic acid from Polygonum capitatum by high-speed counter-current chromatography].
Chen
Xinxia
X
Laboratory for Pharmaceutical Analysis and Quality Evaluation, School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, China. kenshinmu@yahoo.com.cn
Zhang
Liyan
L
Wan
Jinzhi
J
Liang
Bin
B
Xie
Yu
Y