title: [Determination of ephedrine and pseudoephedrine in maxingshigan tang by ion pair-HPLC].
authors.forename: Tao
authors.initials: T
authors.lastname: Liu
authors.forename: Xiaohui
authors.initials: X
authors.lastname: Wang
authors.forename: Yunli
authors.initials: Y
authors.lastname: Zhao
authors.forename: Xiaoxia
authors.initials: X
authors.lastname: Gao
authors.forename: Zhiguo
authors.initials: Z
authors.lastname: Yu
mesh_terms: D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D004365:Drugs, Chinese Herbal / Q000737:chemistry*; D004809:Ephedrine / Q000737:chemistry / Q000302:isolation & purification*; D007477:Ions / Q000737:chemistry; D054199:Pseudoephedrine / Q000737:chemistry / Q000302:isolation & purification*
chemical_list: D004365:Drugs, Chinese Herbal; D007477:Ions; C530199:maxingshigan; D054199:Pseudoephedrine; D004809:Ephedrine