Liquid chromatographic analysis of 4-hydroxy-3-methoxymandelic acid (VMA) and 4-hydroxy-3-methoxyphenylacetic acid (HVA) in urine.
D000310:Adrenal Gland Neoplasms / Q000652:urine; D002851:Chromatography, High Pressure Liquid; D006719:Homovanillic Acid / Q000652:urine*; D006801:Humans; D009447:Neuroblastoma / Q000652:urine; D010673:Pheochromocytoma / Q000652:urine; D014642:Vanilmandelic Acid / Q000652:urine*
D014642:Vanilmandelic Acid; D006719:Homovanillic Acid