title: Determination of catecholamines in the plasma of patients with essential hypertension and of normal persons.
mesh_terms: D000328:Adult; D000368:Aged; D001794:Blood Pressure; D002395:Catecholamines / Q000097:blood*; D002849:Chromatography, Gas; D004026:Dieldrin; D004298:Dopamine / Q000097:blood; D004837:Epinephrine / Q000097:blood; D005260:Female; D006801:Humans; D006973:Hypertension / Q000097:blood* / Q000209:etiology; D008297:Male; D009638:Norepinephrine / Q000097:blood
chemical_list: D002395:Catecholamines; D004026:Dieldrin; D004298:Dopamine; D009638:Norepinephrine; D004837:Epinephrine