title: Mass fragmentographic determination of 4-hydroxy-3-methoxymandelic acid in human urine, cerebrospinal fluid, brain and serum using a deuterium-labelled internal standard.
mesh_terms: D001923:Brain Chemistry; D001933:Brain Stem / Q000032:analysis; D002531:Cerebellum / Q000032:analysis; D002540:Cerebral Cortex / Q000032:analysis; D002849:Chromatography, Gas; D003903:Deuterium; D006624:Hippocampus / Q000032:analysis; D006801:Humans; D007031:Hypothalamus / Q000032:analysis; D013058:Mass Spectrometry; D008722:Methods; D014642:Vanilmandelic Acid / Q000032:analysis*
chemical_list: D014642:Vanilmandelic Acid; D003903:Deuterium