Quantitative analysis of 4-hydroxy-3-methoxymandelic acid by direct photometric scanning of urinary extracts separated by thin-layer chromatography.
D002855:Chromatography, Thin Layer; D006801:Humans; D008333:Mandelic Acids / Q000652:urine*; D009447:Neuroblastoma / Q000652:urine; D010673:Pheochromocytoma / Q000652:urine
D008333:Mandelic Acids