title: Determination of vanilpyruvic acid in urine by high-speed liquid chromatography.
mesh_terms: D002851:Chromatography, High Pressure Liquid; D006801:Humans; D009447:Neuroblastoma / Q000652:urine; D010300:Parkinson Disease / Q000652:urine; D010667:Phenylpyruvic Acids / Q000652:urine*
chemical_list: D010667:Phenylpyruvic Acids