Semi-quantitative detection of a vanillactic acid/vanillylmandelic acid ratio in urine is a reliable diagnostic marker for aromatic L-amino acid decarboxylase deficiency
Heiko Brennenstuhl, Sven F. Garbade, Jürgen G. Okun, Patrik Feyh, Georg F. Hoffmann, Claus‐Dieter Langhans, Thomas Opladen
Topics & Concepts
Vanillylmandelic acidUrineChemistryChromatographyBiochemistryInternal medicineMedicineHomovanillic acidReceptorSerotoninMetabolism and Genetic DisordersAmino Acid Enzymes and MetabolismNeurological diseases and metabolism