title: Biotransformation and excretion: metabolite identification: other mass spectrometric methods.
mesh_terms: D000818:Animals; D001711:Biotransformation; D008401:Gas Chromatography-Mass Spectrometry; D006801:Humans; D013058:Mass Spectrometry; D004364:Pharmaceutical Preparations / Q000378:metabolism* / Q000652:urine
chemical_list: D004364:Pharmaceutical Preparations