title: The importance of stable isotope labelled drugs in clinical pharmacology: with illustrations from studies on the disposition of propranolol and nortriptyline in man.
mesh_terms: D000818:Animals; D001711:Biotransformation; D002849:Chromatography, Gas; D003201:Computers; D006801:Humans; D007554:Isotopes; D013058:Mass Spectrometry; D009661:Nortriptyline / Q000378:metabolism*; D004364:Pharmaceutical Preparations / Q000378:metabolism* / Q000652:urine; D011433:Propranolol / Q000378:metabolism* / Q000494:pharmacology; D012107:Research Design
chemical_list: D007554:Isotopes; D004364:Pharmaceutical Preparations; D011433:Propranolol; D009661:Nortriptyline