title: A simple specific radioenzymatic assay for the simultaneous measurement of picogram quantities of norepinephrine, epinephrine, and dopamine and in plasma and tissues.
mesh_terms: D000818:Animals; D002394:Catechol O-Methyltransferase; D004298:Dopamine / Q000032:analysis* / Q000097:blood; D004837:Epinephrine / Q000032:analysis* / Q000097:blood; D007553:Isotope Labeling / Q000379:methods; D008099:Liver / Q000201:enzymology; D008832:Microchemistry; D009638:Norepinephrine / Q000032:analysis* / Q000097:blood; D051381:Rats; D014316:Tritium
chemical_list: D014316:Tritium; D002394:Catechol O-Methyltransferase; D004298:Dopamine; D009638:Norepinephrine; D004837:Epinephrine