title: Mass spectrometry: preparation of biologic specimens.
mesh_terms: D000818:Animals; D001711:Biotransformation; D002851:Chromatography, High Pressure Liquid; D002855:Chromatography, Thin Layer; D013058:Mass Spectrometry; D004364:Pharmaceutical Preparations / Q000032:analysis; D013048:Specimen Handling
chemical_list: D004364:Pharmaceutical Preparations