title: A simple wash procedure for improving chromatography of HFAA derivatized amphetamine extracts for GC/MS analysis.
authors.forename: J B
authors.initials: JB
authors.lastname: Jones
authors.forename: L D
authors.initials: LD
authors.lastname: Mell
mesh_terms: D000661:Amphetamine / Q000652:urine*; D002852:Chromatography, Ion Exchange / Q000379:methods; D005466:Fluorocarbons; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods*; D006801:Humans; D007202:Indicators and Reagents; D008694:Methamphetamine / Q000652:urine
chemical_list: D005466:Fluorocarbons; D007202:Indicators and Reagents; C007924:heptafluorobutyric anhydride; D008694:Methamphetamine; D000661:Amphetamine