title: The quantitative extraction and gas-liquid chromatographic determination of organic acids in urine.
mesh_terms: D000143:Acids / Q000652:urine*; D001826:Body Fluids / Q000032:analysis; D002264:Carboxylic Acids / Q000652:urine*; D002849:Chromatography, Gas; D006801:Humans; D007202:Indicators and Reagents; D007651:Keto Acids / Q000652:urine
chemical_list: D000143:Acids; D002264:Carboxylic Acids; D007202:Indicators and Reagents; D007651:Keto Acids