title: Urinary organic anions: clinical significance and evaluation of a method for determination and preservation.
mesh_terms: D002264:Carboxylic Acids / Q000652:urine*; D005615:Freezing; D006801:Humans; D008297:Male; D008433:Mathematics; D008722:Methods; D011309:Preservation, Biological
chemical_list: D002264:Carboxylic Acids