title: Pharmacokinetic method for measuring urea synthesis rates.
mesh_terms: D000596:Amino Acids / Q000378:metabolism; D002250:Carbon Radioisotopes; D006801:Humans; D007700:Kinetics; D008099:Liver / Q000378:metabolism; D008103:Liver Cirrhosis / Q000378:metabolism / Q000601:surgery; D008722:Methods; D014508:Urea / Q000096:biosynthesis*
chemical_list: D000596:Amino Acids; D002250:Carbon Radioisotopes; D014508:Urea