title: Rapid micromethod for determination of 15N enrichment in plasma lysine: application to measurement of whole body protein turnover.
mesh_terms: D006801:Humans; D007553:Isotope Labeling; D008239:Lysine / Q000097:blood*; D008297:Male; D013058:Mass Spectrometry; D008722:Methods; D008832:Microchemistry; D009587:Nitrogen Isotopes; D011506:Proteins / Q000378:metabolism*; D013997:Time Factors
chemical_list: D009587:Nitrogen Isotopes; D011506:Proteins; D008239:Lysine