title: [Determination of ractopamine in animal urine by SPE-HPLC].
authors.affiliation: yyf1001@163.com
authors.forename: Yongfei
authors.initials: Y
authors.lastname: Ying
authors.forename: Xionge
authors.initials: X
authors.lastname: Pi
authors.forename: Huihua
authors.initials: H
authors.lastname: Chen
authors.forename: Congying
authors.initials: C
authors.lastname: Zhu
mesh_terms: D000818:Animals; D002851:Chromatography, High Pressure Liquid / Q000379:methods*; D010627:Phenethylamines / Q000032:analysis*; D014556:Urine / Q000737:chemistry*
chemical_list: D010627:Phenethylamines; C060897:ractopamine