title: Gas chromatography of amino acids in urine: identification and removal of creatinine as the major interfering substance.
mesh_terms: D000596:Amino Acids / Q000652:urine*; D002849:Chromatography, Gas; D003404:Creatinine / Q000302:isolation & purification*; D006801:Humans; D007202:Indicators and Reagents
chemical_list: D000596:Amino Acids; D007202:Indicators and Reagents; D003404:Creatinine