title: [Determination of ephedrine alkaloids in health foods by GC/MS].
authors.forename: Jie
authors.initials: J
authors.lastname: Zhao
authors.forename: Bing
authors.initials: B
authors.lastname: Shao
authors.forename: Juan
authors.initials: J
authors.lastname: Meng
authors.forename: Guohua
authors.initials: G
authors.lastname: Wu
authors.forename: Ying
authors.initials: Y
authors.lastname: Xue
mesh_terms: D000470:Alkaloids / Q000032:analysis*; D019587:Dietary Supplements / Q000032:analysis*; D004809:Ephedrine / Q000031:analogs & derivatives* / Q000032:analysis*; D008401:Gas Chromatography-Mass Spectrometry
chemical_list: D000470:Alkaloids; D004809:Ephedrine