title: In vivo formation of tyrosine from phenylalanine in brain.
mesh_terms: D000818:Animals; D001921:Brain / Q000378:metabolism*; D002247:Carbon Isotopes; D002552:Cerebral Ventricles; D002845:Chromatography; D007267:Injections; D008297:Male; D006899:Mixed Function Oxygenases / Q000037:antagonists & inhibitors; D009638:Norepinephrine / Q000096:biosynthesis; D010649:Phenylalanine / Q000378:metabolism*; D051381:Rats; D014443:Tyrosine / Q000096:biosynthesis*
chemical_list: D002247:Carbon Isotopes; D014443:Tyrosine; D010649:Phenylalanine; D006899:Mixed Function Oxygenases; D009638:Norepinephrine