title: Lack of formation of methamphetamine-like artifacts by the monoacetates of pseudoephedrine and related compounds in the GC/MS analysis of urine extracts.
authors.forename: K E
authors.initials: KE
authors.lastname: Brooks
authors.forename: N S
authors.initials: NS
authors.lastname: Smith
mesh_terms: D016477:Artifacts; D004809:Ephedrine / Q000378:metabolism*; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods; D006801:Humans; D008694:Methamphetamine / Q000652:urine*
chemical_list: D008694:Methamphetamine; D004809:Ephedrine