The quantitative estimation of urinary  3 -methoxy- 4 -hydroxy phenylacetic acid (homovanillic acid).
D000328:Adult; D000368:Aged; D001322:Autoanalysis; D002852:Chromatography, Ion Exchange; D003404:Creatinine / Q000652:urine; D004987:Ethers / Q000652:urine; D005470:Fluorometry; D006018:Glycols / Q000652:urine; D006801:Humans; D008297:Male; D008333:Mandelic Acids / Q000652:urine; D008722:Methods; D008875:Middle Aged; D010648:Phenylacetates / Q000652:urine*; D013997:Time Factors
D004987:Ethers; D006018:Glycols; D008333:Mandelic Acids; D010648:Phenylacetates; D003404:Creatinine