title: Study of metabolic pathways in vivo using stable isotopes.
mesh_terms: D001565:Benzoates / Q000652:urine; D002849:Chromatography, Gas; D003903:Deuterium; D006626:Hippurates / Q000652:urine; D006801:Humans; D007553:Isotope Labeling; D007930:Leucine / Q000008:administration & dosage / Q000378:metabolism*; D013058:Mass Spectrometry; D008661:Metabolism, Inborn Errors / Q000652:urine; D008722:Methods; D014443:Tyrosine / Q000008:administration & dosage / Q000378:metabolism*
chemical_list: D001565:Benzoates; D006626:Hippurates; D014443:Tyrosine; D003903:Deuterium; D007930:Leucine