[Use of stable isotopes in life science (III). Measurement of 15N abundance in amino acids with gas chromatography-mass spectrometry (author's transl)].
D000596:Amino Acids / Q000032:analysis*; D008401:Gas Chromatography-Mass Spectrometry / Q000379:methods*; D009587:Nitrogen Isotopes / Q000032:analysis*
D000596:Amino Acids; D009587:Nitrogen Isotopes