title: Identification of phenoxyalkylacid herbicides residues by mass fragmentography.
mesh_terms: D002849:Chromatography, Gas / Q000295:instrumentation; D008401:Gas Chromatography-Mass Spectrometry; D006540:Herbicides / Q000032:analysis*; D013058:Mass Spectrometry; D010573:Pesticide Residues / Q000032:analysis*; D010936:Plant Extracts / Q000032:analysis
chemical_list: D006540:Herbicides; D010573:Pesticide Residues; D010936:Plant Extracts