Recent advances in amino acid analysis.
D000596:Amino Acids / Q000032:analysis*; D001322:Autoanalysis; D002247:Carbon Isotopes; D002845:Chromatography; D003124:Colorimetry; D003201:Computers; D009584:Nitrogen / Q000032:analysis
D000596:Amino Acids; D002247:Carbon Isotopes; D009584:Nitrogen