title: A simple and rapid method for the determination of 4-hydroxy-3-methoxymandelic acid (HMMA) in urine.
mesh_terms: D002852:Chromatography, Ion Exchange; D004209:Disposable Equipment; D005069:Evaluation Studies as Topic; D006801:Humans; D007202:Indicators and Reagents; D008333:Mandelic Acids / Q000652:urine*; D008433:Mathematics; D008722:Methods; D008738:Methyl Ethers / Q000652:urine
chemical_list: D007202:Indicators and Reagents; D008333:Mandelic Acids; D008738:Methyl Ethers