title: The combination of gas chromatography and mass spectrometry in the identification of drugs and metabolites.
mesh_terms: D000109:Acetylcholine / Q000032:analysis; D000470:Alkaloids / Q000032:analysis; D000818:Animals; D001923:Brain Chemistry; D002746:Chlorpromazine / Q000097:blood; D003201:Computers; D006213:Hallucinogens / Q000032:analysis; D006632:Histamine / Q000652:urine; D006801:Humans; D004364:Pharmaceutical Preparations / Q000032:analysis*; D051381:Rats; D013057:Spectrum Analysis; D014556:Urine / Q000032:analysis
chemical_list: D000470:Alkaloids; D006213:Hallucinogens; D004364:Pharmaceutical Preparations; D006632:Histamine; D000109:Acetylcholine; D002746:Chlorpromazine