title: Mass fragmentography in drug research.
mesh_terms: D002849:Chromatography, Gas; D004338:Drug Combinations; D008401:Gas Chromatography-Mass Spectrometry / Q000295:instrumentation / Q000379:methods; D007553:Isotope Labeling; D004364:Pharmaceutical Preparations / Q000032:analysis* / Q000378:metabolism
chemical_list: D004338:Drug Combinations; D004364:Pharmaceutical Preparations