title: A gas chromatographic procedure for determining N, N-dimethyltryptamine and N-monomethyltryptamine in urine using a nitrogen detector.
mesh_terms: D002849:Chromatography, Gas / Q000379:methods; D006801:Humans; D013058:Mass Spectrometry / Q000379:methods; D004130:N,N-Dimethyltryptamine / Q000652:urine*; D009584:Nitrogen; D014363:Tryptamines / Q000652:urine*
chemical_list: D014363:Tryptamines; D009584:Nitrogen; D004130:N,N-Dimethyltryptamine