title: Solid-phase extraction of liquiritin and glycyrrhizin from licorice using porous alkyl-pyridinium polymer sorbent.
authors.affiliation: Department of Chemical Engineering, Inha University, 253 Yonghyun-Dong, Nam-Ku, Incheon 402-751, Korea.
authors.forename: Wentao
authors.initials: W
authors.lastname: Bi
authors.forename: Minglei
authors.initials: M
authors.lastname: Tian
authors.forename: Kyung Ho
authors.initials: KH
authors.lastname: Row