Quantitative VMA by thin layer chromatography.
D002855:Chromatography, Thin Layer / Q000295:instrumentation*; D003401:Creatine; D007202:Indicators and Reagents; D008333:Mandelic Acids / Q000032:analysis*
D007202:Indicators and Reagents; D008333:Mandelic Acids; D003401:Creatine