title: Differential labelling of origins of urinary catecholamine metabolites by dopamine-C14.
mesh_terms: D002250:Carbon Radioisotopes; D002395:Catecholamines / Q000652:urine*; D002490:Central Nervous System / Q000378:metabolism; D004298:Dopamine; D006801:Humans; D007553:Isotope Labeling; D008734:Methoxyhydroxyphenylglycol / Q000652:urine; D009638:Norepinephrine / Q000096:biosynthesis / Q000652:urine; D014642:Vanilmandelic Acid / Q000652:urine
chemical_list: D002250:Carbon Radioisotopes; D002395:Catecholamines; D008734:Methoxyhydroxyphenylglycol; D014642:Vanilmandelic Acid; D004298:Dopamine; D009638:Norepinephrine