title: Identification of O3-monoacetylmorphine in illicit heroin using gas chromatography-electron-capture detection and mass spectrometry.
mesh_terms: D002849:Chromatography, Gas; D004340:Drug Contamination; D003932:Heroin / Q000032:analysis*; D006801:Humans; D013287:Illicit Drugs; D013058:Mass Spectrometry; D009022:Morphine Derivatives / Q000032:analysis*; D004364:Pharmaceutical Preparations
chemical_list: D013287:Illicit Drugs; D009022:Morphine Derivatives; D004364:Pharmaceutical Preparations; D003932:Heroin