The dependence of vanillic acid excretion on urinary pH.
D000293:Adolescent; D000328:Adult; D000596:Amino Acids / Q000652:urine*; D001565:Benzoates / Q000652:urine*; D002396:Catechols / Q000378:metabolism; D055598:Chemical Phenomena; D002621:Chemistry; D002854:Chromatography, Paper; D004032:Diet; D004355:Drug Stability; D005260:Female; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008297:Male; D008722:Methods; D013223:Statistics as Topic; D013997:Time Factors; D014556:Urine
D000596:Amino Acids; D001565:Benzoates; D002396:Catechols