title: More on gas-liquid chromatographic determination of homovanillic and vanillylmandelic acids in urine from cases of neuroblastoma.
mesh_terms: D002849:Chromatography, Gas; D006719:Homovanillic Acid / Q000652:urine*; D006801:Humans; D008722:Methods; D009447:Neuroblastoma / Q000652:urine*; D010648:Phenylacetates / Q000652:urine*; D014642:Vanilmandelic Acid / Q000652:urine*
chemical_list: D010648:Phenylacetates; D014642:Vanilmandelic Acid; D006719:Homovanillic Acid