Validity of plasma-catecholamine estimations.
D001793:Blood Preservation; D001800:Blood Specimen Collection; D002395:Catecholamines / Q000097:blood*; D002404:Catheterization; D004837:Epinephrine / Q000097:blood; D005615:Freezing; D006651:Histocytochemistry; D006801:Humans; D008722:Methods; D009638:Norepinephrine / Q000097:blood; D011677:Punctures; D014680:Veins
D002395:Catecholamines; D009638:Norepinephrine; D004837:Epinephrine