title: Liquid-chromatographic analysis for urinary 4-hydroxy-3-methoxymandelic acid and 4-hydroxy-3-methoxyphenylacetic acid, and its use in investigation of neural crest tumors.
mesh_terms: D000293:Adolescent; D000310:Adrenal Gland Neoplasms / Q000652:urine*; D000328:Adult; D002648:Child; D002675:Child, Preschool; D002853:Chromatography, Liquid; D005260:Female; D006719:Homovanillic Acid / Q000652:urine*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D009447:Neuroblastoma / Q000652:urine*; D010648:Phenylacetates / Q000652:urine*; D010673:Pheochromocytoma / Q000652:urine*; D014642:Vanilmandelic Acid / Q000652:urine*
chemical_list: D010648:Phenylacetates; D014642:Vanilmandelic Acid; D006719:Homovanillic Acid