title: A gas--liquid chromatographic-isotope dilution analysis of cysteine, histidine, and tryptophan in acid-hydrolyzed protein.
mesh_terms: D002250:Carbon Radioisotopes; D002849:Chromatography, Gas / Q000379:methods; D003545:Cysteine / Q000032:analysis*; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods; D006639:Histidine / Q000032:analysis*; D009113:Muramidase; D011506:Proteins; D011865:Radioisotope Dilution Technique; D014364:Tryptophan / Q000032:analysis*
chemical_list: D002250:Carbon Radioisotopes; D011506:Proteins; D006639:Histidine; D014364:Tryptophan; D009113:Muramidase; D003545:Cysteine