title: Concurrent gas chromatographic--mass spectrometric determination of histidine, histamine and their 1-methyl metabolites [proceedings].
mesh_terms: D002849:Chromatography, Gas; D006632:Histamine / Q000032:analysis*; D006639:Histidine / Q000031:analogs & derivatives* / Q000032:analysis*; D013058:Mass Spectrometry; D008761:Methylhistamines / Q000032:analysis*; D008762:Methylhistidines / Q000032:analysis*
chemical_list: D008761:Methylhistamines; D008762:Methylhistidines; D006639:Histidine; D006632:Histamine