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