title: High-performance liquid chromatographic chiral stationary phase separation with filament-on thermospray mass spectrometric identification of the enantiomer contaminant (S)-(+)-methamphetamine.
mesh_terms: D002851:Chromatography, High Pressure Liquid; D004340:Drug Contamination; D013058:Mass Spectrometry; D008694:Methamphetamine / Q000032:analysis*; D013056:Spectrophotometry, Ultraviolet; D013237:Stereoisomerism
chemical_list: D008694:Methamphetamine