title: Determination of urinary homovanillic acid (HVA) using capillary gas chromatography.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D002849:Chromatography, Gas / Q000379:methods; D005260:Female; D006719:Homovanillic Acid / Q000302:isolation & purification / Q000652:urine*; D006801:Humans; D007223:Infant; D008297:Male; D013058:Mass Spectrometry; D010648:Phenylacetates / Q000652:urine*
chemical_list: D010648:Phenylacetates; D006719:Homovanillic Acid