Isolation of homogentisic acid from urine of alcaptonuric cases by means of an anion-exchanger.
D000474:Alkaptonuria; D002852:Chromatography, Ion Exchange; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010648:Phenylacetates / Q000652:urine*
D010648:Phenylacetates